bluuebunny/crossref_metadata_2025 huggingface dataset:
The effect of laser stitch welding residual stress on the dynamic behaviour of thin steel structure
Authors: Aziz Shah M. A. S. , Yunus M. A. , Abdul Rani M. N. , Saman A. M. , M. Sani M. S. , Mohd Zin M. S.
Published: December 2019

Laser stitch welding is one of the most reliable and efficient permanent metal joining processes in the automotive industry, particularly in the manufacturing of a car body-in-white (BIW). It is widely known that this welding process induces the generation of residual stresses that can influence the dynamic behaviours of welded structures. In order to accurately predict the dynamic behaviours of these welded structures, it is important to experimentally understand the influence of residual stress. Therefore, this study addresses the finite element modelling method of thin steel welded structures with and without the influences of residual stress in order to identify its effect towards dynamic behaviours. The finite element models of thin steel welded structures are developed by employing the area contact model (ACM2) format element connector.  The accuracy of the finite element models is then compared in terms of natural frequencies and mode shapes with the experimental counterparts. The dynamic behaviours of the measured structure are obtained using an impact hammer with free-free boundary conditions. The results demonstrate the importance of considering the influence of laser stitch welding residual stress in predicting the dynamic behaviours of thin steel welded structure.
Influence of microwave pre-treated Palm Kernel Shell and Mukah Balingian coal on co-gasification
Authors: Ahmad R. , M. Ishak M. A. , Ismail K. , Kassim N. N.
Published: December 2019

In this study, microwave irradiation pretreatment of palm kernel shell (PKS) and Mukah Balingian (MB) coal was carried out in a fixed bed reactor. The effect of microwave power and processing time was investigated on pretreated PKS and MB coal characteristic. Then, the co-gasification of microwave pretreated PKS and MB coal was conducted to examine the effect of product yield and gases composition. The results showed that, the characteristics of pretreated sample was improved with increasing microwave power and processing time. The volatile matter, oxygen content and O/C ratio of pretreated sample decreased, while the calorific value, fixed carbon and carbon content of pretreated sample increased with increasing microwave power. The carbon content of pretreated PKS was closed to the untreated MB coal with comparable calorific value was obtained. The microwave power level of 450 W and processing time of 8 min were appropriate to upgrade the PKS and MB coal for co-gasification. The pretreated sample produced higher gas yield and lower tar and char yield than the untreated sample during co-gasification. This result was due to low moisture and oxygenated compound of pretreated feedstock made it appropriate to be converted in co-gasification. Moreover, co-gasification of pretreated sample produced the higher H2+CO and CH4 and lower CO2 composition than untreated sample. Thus, it can be concluded that the microwave irradiation pretreatment on PKS and MB coal performed the significant impact on the product distribution and composition during the co-gasification.
Effect of Savonius blade height on the performance of a hybrid Darrieus-Savonius wind turbine
Authors: Puspitasari Dewi , Sahim Kaprawi
Published: December 2019

A vertical hybrid turbine commonly consists of a Darrieus and Savonius rotor where the Savonius is inside Darrieus turbine. This paper describes the experimental study of hybrid Darrieus-Savonius wind turbines by variation in Savonius blade height. In this case, the effect of the blade height of the Savonius blade was studied experimentally in a subsonic wind tunnel. The effect of the height of a Savonius blade relative to that of Darrieus called blade height ratios δ was investigated to know the hybrid turbine performance. The performance is represented by power and torque coefficient. The result shows that the hybrid turbine with height ratio greater than unity δ = 1.4 gives the highest power CP = 0.20 and torque coefficient CT = 0.129. It is investigated that the torque and the power coefficient have a higher value than that of Darrieus turbine, in which the increase in power and torque coefficient are 48% and 29%, respectively. This hybrid wind turbine with a blade height ratio greater than unity can be considered as an important variable in the wind turbine construction.
Experimental investigation of two-phase separation in a horizontal T-junction with vertical branch arm
Authors: Memon Z. Q. , Pao W. , Hashim F. , Ahmed S.
Published: December 2019

T-junctions are commonly used in offshore platforms and process industry. When two-phase flow passes through T-junction, separation of two-phases takes place. This separation of two-phase flow through T-junction produces high liquid carry-over in the branch arm, causing breakdown of downstream equipment. In this experimental study, phase separation data have been obtained for air-water mixture flow through dividing T-junction with a pipe diameter of 74 mm and the branch arm is positioned vertically upward. T-junctions with diameter ratios of 1, 0.67, 0.5, and 0.27 were tested in the slug flow regime. The superficial velocities of air (JG1) were varied 0.20 - 1.16 m/s and inlet water superficial velocities (JL1) were varied 0.40-0.53 m/s. The extraction ratio between branch arm and main arm (W3/W1) was varied between 0 to 1. It was observed that the phase separation efficiency of T-junction depends upon the diameter ratio, upstream superficial velocities of both phases - air and water. Finally, the experimental data have been compared against the predicted results obtained from the numerical correlations.
High mixing performances of shear-thinning fluids in two-layer crossing channels micromixer at very low Reynolds numbers
Authors: Kouadri A. , Lasbet Y. , Makhlouf M.
Published: December 2019

In a recent study, the Two-Layer Crossing Channels Micromixer (TLCCM) exhibited good mixing capacities in the case of the Newtonian fluids (close to 100%) for all considered Reynolds number values. However, since the majority of the used fluids in the industrial sectors are non-Newtonians, this work details the mixing evolution of power-law fluids in the considered geometry. In this paper, the power-law index ranges from 0.73 to 1 and the generalized Reynolds number is bounded between 0.1 and 50. The conservation equations of momentum, mass and species transport are numerically solved using a CFD code, considering the species transport model. The flow structure at the cross-sectional planes of our micromixer was studied using the dynamic systems theory. The evolutions of the intensity, also the axial, radial and tangential velocity profiles were examined for different values of the Reynolds number and the power-law index. Besides, the pressure drop of the power-law fluids under different Reynolds number was calculated and represented. Furthermore, the mixing efficiency is evaluated by the computation of the mixing index (MI), based on the standard deviation of the mass fraction in different cross-sections. In such geometry, a perfect mixing is achieved with MI closed to 99.47 %, at very small Reynolds number (from the value 0.1) whatever the power-law index and generalized Reynolds numbers taken in this investigation. Consequently, the targeted channel presents a useful tool for pertinent mass transfer improvements, it is highly recommended to include it in various microfluidic systems.
An integrated experimental and numerical method to assess the fatigue performance of recycled rail
Authors: Fan Y. L. , Perera N. , Tan K.
Published: December 2019

Recycling of rail is practised in the railway industry to promote sustainability and economic efficiency. The functional reliability of recycled rail has to be addressed to ensure safe application. Studies on the reliability of railway rails place great emphasis on fatigue failure. However, scarcity of public domain data on recycled rails and limitation of experimental hardware capability has constrained the study on the fatigue of recycled rails. The aim of the investigation is to propose a novel integrated approach for exploring the fatigue performance of recycled rail effectively and efficiently. A high cycle fatigue test was conducted on a recycled rail specimen to obtain data for the validation of the finite element (FE) numerical model. Following this, the FE numerical model was incorporated with the stepwise load increase test (LIT) method. The integrated method gave a more conservative prediction of the fatigue performance than the analytical method. The shot blasting process induced compressive residual stress which affected the specimen’s fatigue performance. This result was demonstrated by the integrated method. Furthermore, this integrated method also successfully reduced the overall required test time. The predicted endurance limit of the specimen was 130.37MPa, accomplishing the BS EN 13674-1:2011 standard.
Effect of composition and pouring temperature of Cu(20-24)wt.%Sn by sand casting on fluidity and mechanical properties
Authors: Slamet Sugeng , . Suyitno , Kusumaningtyas Indraswari
Published: December 2019

The effect of tin composition and pouring temperature on the length of fluidity, microstructure, density, hardness, tensile strength and bending of Cu-Sn alloy with sand casting method has been investigated. Cu(20-24)wt.%Sn were casted in two different pouring temperatures (1000 ºC  and 1100 ºC)  in strip plate pattern sand mold. The sand mold has a length of 400 mm, width of 10 mm with a thickness of the mold cavity varied from 1.5 to 5 mm. The results show that the increase in composition (20-22) wt.% Sn decreases the length of fluidity while the composition (22-24) wt.% Sn length fluidity increase again. Increase of the pouring temperature and mold cavity thickness can increase the length of fluidity. Increasing tin composition and pouring temperature can increase the phase of α structure, porosity, hardness of the alloy and trigger the growth of dendrite columnar and secondary dendrite (DAS) microstructure.While the density, tensile strength and bending strength of the alloy tend to decrease. Increasing tin composition and pouring temperature in Cu(20-24) wt.% Sn caused the alloy to be more brittle.
Design and numerical analysis of an efficient H-Darrieus vertical-axis hydrokinetic turbine
Authors: D. Ramirez , A. Rubio-Clemente , Chica E.
Published: December 2019

Hydrokinetic turbines are one of the technological alternatives to generate and supply electricity for rural communities isolated from the national electrical grid with almost zero emission. The Darrieus turbine is one of the options that can be used as a hydrokinetic turbine due to its high power coefficient (Cp) and easy manufacture. In the present work, the design and hydrodynamic analysis of a Darrieus vertical-axis hydrokinetic turbine of 500 W was carried out. A free stream velocity of 1.5 m/s was used for the design of the blades. The diameter (D) and blade length (H) of the turbine were 1.5 m and 1.13 m, respectively. The blade profile used was NACA0025 with a chord length of 0.33 m and solidity () of 0.66. Two (2D) and three dimensional (3D) numerical analyses of the unsteady flow through the blades of the turbine were performed using ANSYS Fluent version 18.0, which is based on a Reynolds-Averaged Navier-Stokes (RANS) model. A transient 2D simulation was conducted for several tip speed ratios (TSR) using a k-ω Shear Stress Transport turbulence (SST) scheme. The optimal TSR was found to be around 1.75. Main hydrodynamic parameters, such as torque (T) and CP, were investigated. Additionally, 3 geometrical configurations of the turbine rotor were studied using a 3D numerical model in order to identify the best configuration with less Cp and T fluctuation. The maximum Cp average was 0.24 and the amplitude of Cp variation, near 0.24 for the turbine model with 3 blades of H equal to 1.13 m. On the other hand, for the turbine models with 6 and 9 blades of H equal to 0.565 m and 0.377 m, respectively, the maximum Cp averages were 0.51 and 0.55, respectively, and the amplitude of Cp variation, near 0.07 for the model with 6 blades and 0.17 for the model with 9 blades. This revealed that the hydrokinetic turbine with a geometrical configuration of 6 blades greatly improves the performance of the turbine due to this model has advantages compared to models with 3 and 9 blades, in terms of the reduction of their T curve fluctuation.
Multi-characteristic optimization of WEDM for Ti-6Al-4V by applying grey relational investigation during profile machining
Authors: Sonawane S. A. , Ronge B. P. , Pawar P. M.
Published: December 2019

This research work presents multi-quality features optimization while wire electrical discharge machining (WEDM) of Ti-6Al-4V.  Taguchi’s L27 orthogonal arrangement is applied to inspect the outcome of governing variables such as pulse-on period, pulse-off interval, discharge voltage, discharge current, wire feed speed and cable tension on the kerf width, material removal rate (MRR), the surface roughness (SR) and overcut during intricate profile manufacturing on Ti-6Al-4V. To optimize all six governing variables, the grey relational investigation (GRI) is applied. The grey relational score is used as a multi-quality unique index (MQUI). From the experimental results the optimal configuration of governing variables obtained is pulse-on period 110 µs, pulse-off interval 55 µs, discharge voltage 40 volts, discharge current 170 Amp., wire feed speed 3 m/min and cable tension 8 gram. ANOVA analysis indicates that pulse-on period is an essential variable concerning the quality outputs. Results of confirmation trials show that the optimal governing variables improved the grey relational score (GRS) from 0.9048 to 0.9226 for the multiple responses. SEM analysis of machined parts shows that at high values of pulse on period and discharge current, deep craters, globules of debris, voids, and micro cracks are formed on the cut surface thus deteriorating the surface finish.
Thermodynamic and exergic modelling of a combined cooling, heating and power system based on solid oxide fuel cell
Authors: Pirkandi J. , Joharchi A. M. , Ommian M.
Published: December 2019

In this research, thermodynamic and exergic analyses have been carried out on a combined cooling, heating and power cogeneration system that includes a solid oxide fuel cell and a single-effect lithium bromide absorption chiller. Results indicate that by increasing the system inlet air flow rate, the overall efficiency of the hybrid system is reduced, due to the reduction of the cell’s working temperature and exhaust gases temperature; while an increase in the working pressure of the system has no effect on its efficiency. The results also show that by raising the temperature of exhaust gases, the rate of exergy destruction diminishes, while the rate of exergy loss in the hybrid system increases. In the absorption chiller cycle, the maximum exergy destruction rate occurs in the generator, and the minimum rate is achieved in the pressure-reducing valve, between the evaporator and the condenser. Also, in the fuel cell cycle, the highest exergy destruction rate occurs in the heat exchanger of the inlet air to the cell, and the lowest exergy destruction rate occurs in the two water pumps. Moreover, the entropy generation rate and the exergy destruction rate of the fuel cell cycle are higher than those of the chiller cycle.
Power curves prediction using empirical data regression on small scale compressed air energy storage
Authors: . Widjonarko , Soenoko R. , Wahyudi S. , Siswanto E.
Published: December 2019

The key to optimizing the system is to know the operating point of the system at the time of loading, or it is known as the power curve. However, to identify the power curve, the existing method is to model the mathematical of the system. Therefore some component characteristics need to be known and need additional observations if the component variable is unknown, and it becomes a long identification process. So, in this exploratory research will be presented the way to find out the power curve of a system without modeling mathematical of the system, but by using the polynomial regression technique. This regression technique form is using the empirical data of the power curve form parameter on SS-CAES prototype. The method is based on five approach model in which is the variation of loading sampling data to be used with the purpose is to find the best sampling of prediction. The data will be analyzed in the form of statistical parameters and the graph to show the evaluation process of this technique. From the results of the regression can be concluded that the power curve of SS-CAES can be identified with a high correlation value of 0.997 (99,745% accuracy) and the best way to take samples of data to be used in this technique is presented in the paper.
Relación entre burnout y empatía en estudiantes de medicina de una universidad privada del Perú
Authors: Huarcaya-Victoria Jeff , Delfín Gabriel , Huamán Diego
Published: December 2019

Introducción. El burnout entre los estudiantes de medicina es una entidad seria y común. Se ha documentado que el burnout se encuentra relacionado con una reducción de la empatía. Objetivo. Evaluar la relación entre el diagnostico de síndrome de burnout y los niveles de empatía en estudiantes de medicina. Métodos. Estudio transversal realizado en 245 estudiantes de medicina humana del primer año, en Lima. Se utilizó la Maslach burnout Inventory-Student Survey (MBI-SS), la Jefferson Scale of Physician Empathy (JSPE-S) y una ficha de recolección de datos sociodemográficos. Resultados. Se encontró una correlación entre el total de la MBI-SS y la JSPE-S (p=-0,269; p<0,01). Las correlaciones entre las dimensiones del burnout y el total de la JSPE-S fueron: agotamiento emocional (AE) (p=-0,137; p<0,05), cinismo (CI) (p=-0,241; p<0,01) y eficacia académica (EA) (p=0,262; p<0,01). Conclusión. La empatía en estudiantes de medicina muestra una correlación con todas las dimensiones del síndrome de Burnout; de forma negativa con el AE y CI, y de forma positiva con la EA.
Análisis epidemiológico de las fracturas abiertas de miembros inferiores en adultos atendidos en un hospital peruano
Authors: Shiraishi-Zapata Carlos Javier , Lozada Zapata Andrea Del Rosario
Published: December 2019

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Dialogar con Quijano
Authors: Farrés Delgado Yasser
Published: December 2019

Podría afirmarse que, con la noción colonialidad del poder, Aníbal Quijano abrió una perspectiva de análisis sobre la realidad del sistema-mundo moderno cuyas potencialidades desbordan ampliamente los límites de la reflexión por él esbozados. En ese sentido este ensayo argumenta la pertinencia de aplicar tal perspectiva al entendimiento del ambiente construido moderno y contemporáneo. Para ello, partiendo de una revisión de los conceptos iniciales del autor y otros posteriores, se expone una teorización en curso, propuesta para dicho ámbito del conocimiento, centrada en la noción “colonialidad territorial”. Posteriormente se expone un estado del arte de investigaciones en la misma línea.
La crisis raigal del ser en la modernidad/colonialidad.
Authors: Ríos Burga Jaime
Published: December 2019

El presente artículo busca comprender y explicar la crisis de horizonte de sentido del ser, saber y poder de la modernidad/ colonialidad desde los imaginarios y prácticas sociales de vida de hoy. Una crisis profunda en sus procesos de individuación, sociabilidad, identidad y mundos simbólicos, entre la soledad y el hedonismo. Una transición hacia un nuevo horizonte de sentido histórico transcultural de vida ante un neuropoder que cada vez más se agota en la infelicidad individual y colectiva.
MCDM approach for weighted ranking of candidates in e-voting
Authors: Alguliyev Rasim , Aliguliyev Ramiz , Yusifov Farhad
Published: December 2019

The aim of the study is the application of multi-criteria evaluation methods for ranking of candidates in e-voting. Due to the potential to enhance the electoral efficiency in e-voting multiple criteria, such as personality traits, activity and reputation in social media, opinion followers on election area and so on for the selection of qualified personnel can be considered. In this case, the number of criteria excesses in the decision-making stage directed us to the use of a multi-criteria decision making model (MCDM). This paper proposes MCDM for weighted ranking of candidates in e-voting. Criteria for the candidates’ ranking and selection are determined and each voter uses the linguistic scales for the ranking of each candidate. Candidates’ ranking is evaluated according to all criteria. In a numerical study, it is provided the candidates’ evaluation on the base of selected criteria and ranked according to the importance of criteria. To assess the importance of the criteria and to evaluate the suitability of the candidates for each of the criteria, the voters use linguistic variables. In practice, the proposed model can use different evaluation scales for the selection of candidates in e-voting. The proposed model allows selecting a candidate with the competencies based on the criteria set out in the e-voting process and making more effective decisions.
A study of the attitude of generation z to cross-cultural interaction in business
Authors: Lifintsev Denys , Fleșeriu Cristina , Wellbrock Wanja
Published: December 2019

Background and Purpose: In a digitally globalized world cross-cultural interaction in social and business environment has become more widespread than ever before. The purpose of this paper is to explore the attitude of Generation Z representatives to different aspects of cross-cultural interaction.Design/Methodology/Approach: We used an online questionnaire to collect data for our study. A sample of 324 young adults from three countries: Germany (n=113/34.9%), Romania (n=107/33.0%) and Ukraine (n=104/32.1%) participated in the online survey. The sample consists of university students aged less than 23 years to match the criteria of being representatives of Generation Z. Different statistical tools were used to check the hypotheses.Results: The results of the study indicate that Generation Z representatives consider cross-cultural communication skills as highly important both in their private and business life. The main motivation factors to work in a multicultural business environment have been identified as well as major barriers for effective cross-cultural interaction.Conclusion: This paper illustrates that Gen Zers are willing to work in a multicultural business environment; moreover it can give them additional motivation. This trend along with ongoing processes of globalization and digitalization fosters further interconnection of countries and regions of the world, making cross-cultural communication and cross-cultural management techniques even more important.
The Usage of Information on Costs Classification for Various Purposes of Enterprises’ Activities
Authors: Tamulevičienė Daiva , Mackevičius Jonas
Published: December 2019

Understanding the essence and significance of costs, as well as the possibilities of how to decrease them, is one of the most important conditions for enterprises to succeed. The article analyzes the nature, importance, and description of costs. The volume, dynamics, and structure of Lithuanian enterprises’ costs for the period of 2013–2017 is provided. Features of costs classification, based on which one can determine on what purposes the information on costs may be used, are systematized. The methodology of the usage of information on costs classification for specific purposes is provided. It is comprised of three stages: 1) the foresight of opportunities for the usage of the information fund of costs classification; 2) the setting of goals for the usage of information on costs classification; 3) the evaluation of the effectiveness of the usage of the information fund of costs classification. The second stage should be considered the most important one in this process, because when the information fund of costs classification is being shaped and used, the set goals determine the need and purpose of such information. Taking this aspect into account, it is suggested to distinguish the three main goals of the information on costs classification: the administration and improvement of the accounting system, the improvement of the enterprise’s management system, as well as the establishment and improvement of the enterprise’s activity results.
Nuteistųjų adaptaciją pataisos įstaigose prognozuojantys veiksniai
Authors: Mikalauskienė Viktorija , Laurinavičius Alfredas
Published: December 2019

Adaptacija pataisos įstaigoje – tai įkalinto asmens psichologinis ir elgesinis atsakas į pataisos įstaigos aplinką ir įkalinimo situaciją (Fedock, 2017). Sėkmingai adaptavęsi nuteistieji geba patenkinti savo pagrindinius poreikius, nekonfliktuoja nei su pataisos įstaigos administracija, nei su kitais nuteistaisiais, nepatiria stiprių neigiamų emocijų ir t.t. Manoma, kad nesėkminga adaptacija pataisos įstaigoje siejasi su mažesne motyvacija keisti savo nusikalstamą elgesį ir recidyvu (Loper, 2002; Zamble & Porporino, 1988). Nors nuteistųjų adaptacija pataisos įstaigose ir ją prognozuojančiais veiksniais užsienio mokslininkai domisi jau kelis dešimtmečius, Lietuvoje tokių tyrimų ypač trūksta. Šio tyrimo tikslas – nustatyti laisvės atėmimo bausmę atliekančių nuteistųjų adaptaciją Lietuvos pataisos įstaigose prognozuojančius veiksnius. Tyrime dalyvavo nuteistieji vyrai (N = 331) iš 5 Lietuvos pataisos įstaigų, jų amžius svyravo nuo nuo 18 iki 68 metų (M = 35,17, SD = 10,75). Adaptacijai įvertinti buvo naudojama Kalėjimo problemų skalė (Zamble & Porporino, 1988), Beck depresijos klausimyno antroji leidimo versija (Beck, Steer, & Brown, 1996) ir Beck nerimo klausimynas (Beck, Epstein, Brown,  & Steer, 1988). Adaptacijos veiksniai buvo įvertinti demografinių duomenų anketa bei Kriminalinių nuostatų modifikuota skale (Simourd, 1997). Nustatyta, jog adaptaciją geriausiai prognozuoja kriminalinės nuostatos ir bendravimas su draugais arba partnere. Tirti veiksniai paaiškino iki 16 % adaptaciją vertinančių kintamųjų sklaidos.
FENOMENA PERNIKAHAN ANAK DI SUMENEP MADURA
Authors: Jamilah Jamilah , Raudlatun Raudlatun
Published: December 2019

Abstract. In the current era of globalization, early marriage still often occurs. Factors causing early marriage are economic factors, educational factors, parental factors, and pregnancy factors outside of marriage. Early marriage also has physical and psychological effects. As for physically covering the household economy because at the age of adolescence is still unable to provide for his own family, while economic factors are factors that can prosper the household, besides that there is also a risk of pregnant women, in adolescence are generally a danger to health because if a person is under age 20 years of pregnancy results in death of mother and child or can experience premature childbirth. While the psychological impact of early marriage there is a severe depression which is a symptom that causes a person to become a private person who is not sociable, and there are conflicts that lead to divorce because of emotions in adolescents who are unstable lead to prolonged conflict in couples who marry at an early age which results in divorce.Abstrak. Di era globalisasi saat ini pernikahan dini masih kerap terjadi. Faktor-faktor penyebab terjadinya pernikahan dini adalah faktor ekonomi, faktor pendidikan, faktor orang tua dan faktor hamil di luar nikah. Pernikahan dini juga mempunyai dampak secara fisik maupun psikologis. Adapun secara fisik meliputi ekonomi rumah tangga karena pada usia remaja masih belum bisa menafkahi keluarganya sendiri, sementara faktor ekonomi merupakan faktor yang dapat mensejahterakan rumah tangga, selain itu ada pula resiko ibu hamil, di usia remaja umumnya bahaya bagi kesehatan karena apabila seorang yang berusia dibawah 20 tahun hamil mengakibatkan kematian pada ibu dan anak atau dapat mengalami melahirkan sebelum waktunya. Sedangkan dampak pernikahan dini secara psikologis terdapat depresi berat yaitu suatu gejala yang mengakibatkan seseorang menjadi pribadi yang tertutup dan tidak mudah bergaul, adapula konflik yang berujung perceraian karena emosi pada remaja yang tidak sabil mengakibatkan terjadinya konflik secara berkepanjangan pada pasangan yang menikah di usia dini yang mengakibatkan terjadinya perceraian.
DAMPAK PERNIKAHAN DINI BAGI PEREMPUAN
Authors: Maudina Lina Dina
Published: December 2019

Abstract. This study aims to determine what factors are actually causing early marriage in the village of Bedahan. As well as any impacts arising from early marriage in the village of Bedahan This research is a qualitative study, data collection techniques by conducting observations, interviews and documentation. The sampling technique in this study uses purposive sampling, which is a sampling technique based on criteria, meaning that the natives living in the village of Bedahan are perpetrators of early marriage. The factors causing early marriage in the village of Bedahan are the factors of parents who want to quickly marry off their children, some are pregnant out of wedlock, economics and also education. However, the most dominant factor is due to the parents' factor so that the child can be married quickly and easily understand the proposal of the male candidate. While the impact of early marriage in Bedahan Village is broadly three, namely psychological, health, and social impacts. the economy. When viewed from the psychological impact, they often experience problems such as easy emotions, stress, and burdened, in terms of health due to immature reproductive organs of women prone to giving birth premature babies, if viewed from a socio-economic perspective that is the lack of socialization to the local community shame because of their education disconnected, they only work improvised to meet their needs and are still dependent on their parents.Abstrak. Penelitian ini bertujuan untuk mengetahui faktor-faktor apa saja yang sebenarnya mengakibatkan pernikahan dini di Desa Bedahan.  Serta dampak apa saja yang ditimbulkan dari pernikahan dini di Desa Bedahan Penelitian ini merupakan penelitian kualitatif, teknik pengumpulan data dengan melakukan observasi, wawancara dan dokumentasi. Teknik pengambilan sampel dalam penelitian ini menggunakan purposive sampling yaitu teknik pengambilan sampel berdasarkan atas kriteria, maksudnya penduduk asli yang tinggal di Desa Bedahan yang merupakan pelaku pernikahan dini. faktor penyebab terjadinya pernikahan dini di Desa Bedahan yaitu faktor orangtua yang ingin cepat-cepat menikahkan anaknya, ada pula yang hamil diluar nikah, ekonomi dan juga pendidikan. Namun yang paling dominan adalah karena faktor orang tua agar si anak cepat-cepat untuk dinikahkan dan mudah menerimana pinangan si calon pria .Sedangkan dampak yang ditimbulkan dari pernikahan dini di Desa Bedahan secara garis besar ada tiga yaitu dampak psikologis, kesehatan, dan juga sosial-ekonomi. Jika dilihat dari dampak psikologis masih sering mengalami masalah seperti mudah emosi,stress,dan terbebani , dari segi kesehatan karena belum matangnya alat reproduksi perempuan rentan mengalami melahirkan bayi prematur,jika dilihat dari segi sosial-ekonomi yaitu kurangnya bersosialisasi kepada masyarakat setempat malu karena pendidikannya pun terputus, mereka hanya bekerja seadanya untuk memenuhi kebutuhan hidupnya dan masih bergantung kepada orangtuanya.
COOPERATIVE PLAY UNTUK MENURUNKAN PERILAKU SIBLING RIVALRY PADA ANAK
Authors: Lubis Julhan Efendi
Published: December 2019

Abstract. This method aims to find out and understand more deeply how cooperative play can reduce sibling rivalry behavior in children. The approach taken is to use pre-post test interventions. The subjects in this study were selected using purposive sampling techniques and data collection techniques, which were carried out by the method of observation and in-depth interviews. Topics in this study amounted to two people aged five years and four years. The results showed that cooperative play could reduce sibling rivalry behavior in children. Abstrak. Metode ini bertujuan untuk mengetahui dan memahami lebih mendalam mengenai bagaimana cooperative play untuk menurunkan perilaku sibling rivalry pada anak. Pendekatan yang dilakukan adalah dengan menggunan intervensi pre post test. Subjek dalam penelitian ini dipilih dengan teknik pusposive sampling dan Teknik pengumpulan data yang dilakukan dengan metode oberservasi dan wawancara mendalam. Subjek dalam penelitian ini berjumlah dua orang yang berusia 5 tahun dan 4 tahun. Hasil penelitian menunjukkan bahwa cooperative play mampu menurunkan perilaku sibling rivalry pada anak.
nalysis of a Research Instrument to Map English Teachers’ Proficiency
Authors: Tamah Siti Mina , Lie Anita
Published: December 2019

ABSTRACTTeachers’ English proficiency can be measured by designing a research instrument  in a form of test. The devised test must fulfill the requirement of a good test. This article is aimed at discussing item analysis centering on multiple choice questions used to measure the proficiency of Indonesian High School teachers involved in English instruction. The first set of syllabus oriented test is tried out to 20 subjects, and the second set – general English oriented – to 28 subjects. The test analysis indicates the item difficulty indices range from .20 to 1 for the first set and .07 to .89 for the second set. With regard to item discrimination analysis, the study finds the d values range from -0.33 to 1.0 for the first set, and -0.11 to .78 for the second set. It is found that the whole test has ‘average’ level of difficulty and is ‘good’ at discriminating between high and low achieving test takers; to be used for the actual research, a revision of the test is done to eliminate the ‘bad’ items.ABSTRAKKecakapan bahasa Inggris guru dapat diukur dengan merancang instrumen penelitian dalam bentuk tes. Tes yang dirancang harus memenuhi persyaratan tes yang baik. Artikel ini bertujuan membahas analisis soal yang berpusat pada pertanyaan pilihan ganda yang digunakan untuk mengukur kemahiran guru-guru SMA Indonesia yang terlibat dalam pengajaran Bahasa Inggris. Tes set kesatu yang berorientasi silabus diujicobakan pada 20 subjek. Set kedua - berorientasi Bahasa Inggris umum - diujicobakan ke 28 subjek. Analisis tes menunjukkan bahwa indeks kesulitan soal berkisar dari .20 hingga 1 untuk set pertama dan .07 hingga .89 untuk set kedua. Terkait analisis diskriminasi item, studi ini menemukan bahwa nilai D berkisar dari -0,33 ke 1,0 untuk set pertama, dan -0,11 hingga 0,78 untuk set kedua. Ditemukan bahwa keseluruhan tes memiliki tingkat kesulitan 'rata-rata' dan 'baik' dalam membedakan antara peserta tes berprestasi tinggi dan rendah. Untuk digunakan dalam penelitian aktual, revisi tes dilakukan dengan menghilangkan soal 'buruk'. How to Cite: Tamah, S. M., Lie, A. (2019). Analysis of a Research Instrument to Map English Teachers’ Proficiency. IJEE (Indonesian Journal of English Education), 6(1), 48-64. doi:10.15408/ijee.v6i1.11888
Students’ Perception of the Use of “English Phrasal Verb” Videos to Enhance Students’ Independent Learning Skill
Authors: Haryanti Haryanti
Published: December 2019

ABSTRACTIndependent English Language Learning is very important to do by students, especially students in higher education level, because they are often required to read many English references and use English on many occasions, for example in writing essays. Also, it is because the opportunity or time to learn English in the class is very limited. Therefore, students badly need to learn English independently outside the classroom. This study was designed to investigate the students’ perception of the use of “English Phrasal Verb” videos in enhancing their independent learning. There were six participants interviewed and observed to get information about the benefits of using “English Phrasal Verb” videos and the effectiveness of it in training the students to be independent learners. The study found that the students’ pronunciation and vocabulary mastery had improved as well as their listening and writing skills due to the use of videos and assignment given. It also revealed that the use of videos had successfully been a trigger for the students to find other English learning videos and learn them independently outside the classroom.ABSTRAKBelajar Bahasa Inggris secara mandiri sangat penting dilakukan oleh siswa, khususnya mahasiswa, karena mereka sering diminta untuk membaca banyak referensi Berbahasa Inggris dan untuk menggunakan Bahasa Inggris di banyak kesempatan, contohnya dalam menulis esai. Selain itu, karena terbatasnya kesempatan atau waktu untuk belajar Bahasa Inggris di kelas, mahasiswa sangat dianjurkan untuk belajar Bahasa Inggris secara mandiri di luar kelas. Penelitian ini didesain untuk menginvestigasi persepsi mahasiswa terhadap penggunaan video tentang frase kata kerja Bahasa Inggris (Phrasal Verbs Videos) dalam meningkatkan kemampuan belajar mandiri mahasiswa. Dalam penelitian ini, terdapat enam peserta yang diwawancarai dan diamati untuk mendapatkan informasi mengenai keuntungan menggunakan video dan keefektifan penggunaan video tersebut dalam melatih mereka menjadi pembelajar mandiri. Penelitian ini menemukan bahwa penguasaan kosakata dan kemampuan pengucapan Bahasa Inggris mahasiswa meningkat begitu juga dengan kemampuan mendengar dan menulis mereka karena penggunaan video yang dimaksud dan tugas yang diberikan. Selain itu, penelitian ini juga menemukan bahwa penggunaan video telah sukses mendorong mahasiswa untuk menemukan video-video belajar Bahasa Inggris lainnya dan untuk mempelajari video-video tersebut secara mandiri di luar kelas. How to Cite: Haryanti. (2019). Students’ Perception of the Use of “English Phrasal Verb” Videos to Enhance Students’ Independent Learning Skill. IJEE (Indonesian Journal of English Education), 6(1), 21-29. doi:10.15408/ijee.v6i1.12613
Patriarchy and Social Norms in Lipstick Under My Burkha
Authors: Amelia Deyan Rizky , Hasanah Nadia Rukyati , Rohmah Sa'diah Nur
Published: December 2019

This article discusses the identity of the main characters; Rehana, Leela, and Usha  in Lipstick Under My Burkha film released in 2017. The main objectives of this research are to explore how four major characters negotiate the desire of their lives with the patriarchy and social norms that they should obey. This study employs qualitative research method with a cultural approach using the technique of library research. The text is analyzed by using identity theory by Stuart Hall to interpret how women reach their freedom in life. This study not only analyzes the characters of women who wear a burkha but also analyzes all of the four major characters in this film because the main point of this film is about women's dream that cannot be conveyed. The result shows that the four women characters in this film are trying to reach their dream; freedom for woman. Freedom to dress as she wishes refers to Rehana, a freedom to be loved refers to Shireen, freedom to choose a life partner refers to Leela and freedom to do what they want refers to Usha. The attitude and behavior of the four major characters in this film are limited by the patriarchy (manpower) and the social norms. The patriarchy in this film refers to Rehana and Shireen’s life because there are men power represented by the father figure in Rehana’s life and husband figure in Shireen's life. Then,the social norms appear in Leela and Usha’s lifeasboth of them do immoral acts and make them feel ashame.
Analytic, Paradoxical, and Synthetic Sentences on ABC and The Hard Way Song Lyrics
Authors: Sayogie Frans , Mahya Difa , Dwiarso Dyona Priorita
Published: December 2019

This research aims to identify and classify; analytic, paradoxical, and synthetic sentences which are logical types of sentences in the song lyric of  ABC by The Jackson 5 and The Hard Way by The Kinks in order to get the virtue of meanings of the lyrics.  The method used in this research is descriptive qualitative by analyzing and comparing the data by using Kant’s containment concept. The data used in this research are lyrics from the songs ABC 5 and The Hard Way. The research findings obtained: one analytic sentence in ABC, one paradoxical sentence in The Hard Way and twenty two synthetic sentences in both lyrics. The data indicate that there are more synthetic sentences rather than analytical and paradoxical sentences in the songs. In conclusion, the synthetic sentences used on the song lyrics are more fabricated for the virtue of meanings on the song lyrics than analytic and paradoxical sentences. Therefore, the listeners can express their emotions freely by song lyrics using synthetic sentences.
Uji Validitas Konstruk Pada Instrumen International Personality Item Pool Dengan Metode Confirmatory Factor Analysis (CFA)
Authors: Ulfah Malini
Published: December 2019

Dukungan sosial adalah pemberian bantuan dari seseorang kepada orang lain berupa perhatian emosional, bantuan materil, pemberian informasi, penghargaan, pujian, pemecahan masalah dan bantuan nyata, sehingga orang yang mendapatkan dukungan tersebut merasa dihargai dan dicintai. Salah satu bagian dari dukungan sosial adalah dukungan teman sebaya. Hal tersebut bisa berupa penerimaan dari teman terhadap individu, yang menimbulkan persepsi dalam dirinya bahwa ia disayangi, diperhatikan, dihargai, dan ditolong, sehingga menimbulkan perasaan bahwa kita memiliki arti bagi orang lain atau menjadi bagian dari jaringannya. Menurut Weiss (dalam Cutrona dan Russell, 1987) komponen dukungan sosial meliputi pemenuhan 6 hal kebutuhan, yaitu emotional attachment, social integration, reassurance of worth, reliable alliance, guidance, dan opportunity for nurturance. Penelitian ini bertujuan untuk menguji validitas kostruk instrumen tersebut. Data dalam penelitian ini diperoleh dari santri kelas 1 extention Pondok Pesantren Daar El- Qolam yang berjumlah 204 orang. Metode yang digunakan untuk mengujinya adalah confirmatory factor analysis (CFA) menggunakan software LISREL 8.70. Hasil dari penelitian ini menunjukkan bawa seluruh item yang berjumlah 23 item bersifat unidimensional. Artinya seluruh item hanya mengukur satu faktor saja, sehingga model satu faktor yang diteorikan oleh The Social Provisions Scale dapat diterima. Social support is the provision of assistance from someone to others in the form emotional attention, material assistance, information giving, appreciation, praise, problem solving and real help so that people who get that support feel valued and loved. One of the parts of social support is peer support. This can be in the form of acceptance from friends to individuals, which gives rise to a perception in him/her that he/she is loved, cared for, appreciated, and helped, giving rise to feelings that we matter to others. According to Weiss (in Cutrona and Russel, 1987) the component of social support includes the fulfillment of six things: emotional attachment, social integration, reassurance of worth, reliable alliance, guidance, and opportunity for nurturance. This study aims to examine the validity of the boarding instrument. The data in this research were obtained from students in class 1 extention of Daar El-Qolam Islamic Boarding School with 204 people. The method that used to test them is confirmatory factor analysis (CFA) using LISREL 8.70 as the software. The results of this research show that all items, totaling 23 items, are unidimensional. This means that all items only measure one factor so that a one-factor model theorized by The Social Provisions Scale is acceptable.
Indeks Mental-Kognitif Islam Remaja Berisiko: Satu Kajian Pendekatan Psikoreligio Keluarga Islam Di Malaysia
Authors: Anwar Khairil , Ismail Khaidzir Hj. , Wahyuni Sri
Published: December 2019

Kertas kerja ini adalah untuk menjelaskan indeks mental-kognitif Islam remaja berisiko dan kertas kerja ini juga bertujuan sebagai dasar pembentukan sahsiah keluarga Islam. Mental-kognitif Islam yang diistilahkan sebagai suatu struktur internal manusia yang melahirkan persepsi, introspeksi, memori, kreativitas, imaginasi, konsepsi, keyakinan, penalaran, kemauan, dan emosi sebagai suatu kesatuan cara berfikir yang berasaskan Islam. Konsep ini diharapkan dapat memprediksi dan berimplikasi terhdap ketahanan keluarga dalam konteks kesejahteraan psikologi keluaraga, yang lebih jauh akan dapat menyelesaikan berbagai kasus yang menimpa masyarakat muslim pada umumnya dan keluarga muslim pada khususnya. Enam pusat rehabilitasi di Malaysia telah dipilih untuk penelitian ini dengan melibatkan sebanyak 490 orang remaja yang terlibat dengan pelanggaran hukum dan 128 pelajar dari satu sekolah menengah atas sebagai kelompok pembanding. Latarbelakang status ekonomi keluarga responden juga diteliti dan pengumpulan data dilakukan menggunakan instrumen psikologi, skala mental-kognitif Islam. Data dianalisis menggunakan formula matematika untuk membentuk indeks mental-kognitif Islam yang terdiri dari beberapa domain. Hasil menunjukkan indeks mental-kognitif Islam remaja berisiko berada pada tahap yang rendah. Hasil penelitian ini direncanakan untuk penciptakan satu modul intervensi dan prevensi mental-kognitif Islam untuk remaja berisiko khususnya dan remaja muslim pada umumnya.
Pengaruh Perfeksionisme, Achievement Goal Orientation dan Jenis Kelamin Terhadap Prokrastinasi Akademik Mahasiswa
Authors: Dluha Muhammad Syamsud , Solicha Solicha
Published: December 2019

Penelitian ini bertujuan untuk mengetahui pengaruh variabel perfeksionisme, achievement goal orientation dan jenis kelamin terhadap prokrastinasi akademik pada mahasiswa UIN Syarif Hidayatullah Jakarta. Subjek pada penelitian ini berjumlah 220 mahasiswa UIN Syarif Hidayatullah Jakarta yang diambil dengan teknik accidental sampling. Hasil penelitian menunjukkan bahwa ada pengaruh dari socially prescribe perfectionism terhadap prokrastinasi akademik pada mahasiswa UIN Syarif Hidayatullah Jakarta sebesar 14.5%. Mahasiswa yang mendapat tuntutan kesempurnaan terlalu tinggi oleh orang-orang di sekitarnya cenderung melakukan penundaan dalam tugas-tugas akademik.
Pengaruh Kepribadian dan Attachment Terhadap Emotional Eating Pada Remaja di Tangerang Selatan
Authors: Rizkiana Ulfa , Sumiati Neneng Tati
Published: December 2019

Penelitian sebelumnya menemukan bahwa ada kecenderungan remaja untuk makan berlebihan dalam rangka mengatasi emosi negatif. Fenomena ini disebut emotional eating, di mana individu makan untuk mengisi kebutuhan emosional. Jika itu menjadi berlebihan, makan akan menjadi masalah bagi individu itu sendiri. Penelitian ini meneliti munculnya emotional eating pada remaja karena mereka rentan terhadap pengalaman emosional. Kepribadian dan keterikatan dianggap sebagai prediktor untuk emotional eating pada remaja. Data dari 328 remaja diambil untuk membuktikan pengaruh tersebut. Penelitian ini menunjukkan hasil yang sangat berbeda dari temuan sebelumnya.
Relasi Orangtua-Anak Menurut Perspektif Islam dan Kaitannya Dengan Kesejahteraan Psikologis (Studi Pengembangan Dan Validasi Instrumen)
Authors: Lestari Ayu
Published: December 2019

Pada penelitian ini akan dilakukan dua studi, yaitu penyusunan skala relasi orangtua-anak berdasarkan perspektif Islam dan uji korelasi antara variabel relasi orangtua-anak dengan kesejahteraan psikologis. Skala kesejahteraan psikologis menggunakan teori Ryff (1989). Penyusunan skala relasi-orangtua dilakukan melalui empat tahap, yaitu konseptualisasi skala dan penyusunan item berdasarkan Al-Quran, Hadits, pendapat ahli, dan hasil penelitian sebelumnya; uji validitas konstruk dan isi; perbaikan skala serta uji validitas dan reliabilitas menggunakan analisis Rasch Model dengan WINSTEPS; dan uji validitas konkuren. Jumlah responden penelitian secara keseluruhan adalah 490 responden. Hasil analisis akhir menemukan bahwa jumlah item yang valid dan reliabel adalah 36 item. Skala ini memiliki kualitas dan performansi yang baik yang dapat digunakan untuk mengukur relasi orangtua-anak khususnya pada populasi Muslim. Selanjutnya, variabel relasi orangtua-anak berdasarkan perspektif Islam juga terbukti berkorelasi positif yang sangat signifikan dengan kesejahteraan psikologis pada anak.