bluuebunny/crossref_metadata_2025 huggingface dataset:
Educational elements of instructional design to enhance the construction of virtual learning environments
Authors: URIBE-OLIVARES Nadia Sarahi , SIORDIA-MEDINA Paul Rafael , ZEA-VERDÍN Aldo
Published: May 2021

From the perspective of experts in instructional design, what pedagogical elements favor the construction of virtual learning environments? It is the question that guides the present investigation. Education has had significant changes in recent decades, so institutions would be expected to transform. The management of educational change must be carried out from within the institutions themselves, who, through the operability of their educational model, foster the learning of their students. The innovation elements of an institution involve the entire educational community. The pedagogical foundations must permeate the management team, teachers and administrative staff to achieve true educational quality in any educational modality. This research focuses on the particularities of the virtual modality. It aims to analyze the different perspectives of instructional designers of institutions of higher and higher education regarding what pedagogical elements are necessary in offering virtual education. It also analyzes the professional profile of those who exercise the role of instructional designer in the different institutions.
Plan estratégico para disminuir los altos índices de rotación de personal
Authors: Robles-Arias Isela Margarita , Hernández-Enríquez Héctor Arnulfo , Valdez-Guerrero Raquel
Published: May 2021

A strategic plan is presented, appropriate to the needs of the Sam's Club company to contribute effectively) in reducing the turnover of personnel in the operational area mainly in the departments of groceries, boxes and protection. Documentary and field research was used in the development of this project to obtain internal and external information from the company. Internally, historical information on casualties and exit surveys was analyzed, as well as working climate questionnaires were applied to employees and interviews department heads. As for the external environment, it was studied through interviews with workers from the main competitors of Sam's Club. Both the general and the specific objectives were fully fulfilled resulting in the design of strategies to address the problem that is presented by the company today, it is emphasized that the implementation and development of the strategies is a decision.
Análisis de rentabilidad e impacto económico del uso de clembuterol de productores de bovino en Morelos, México
Authors: Omaña-Silvestre José Miguel , Quintero-Ramírez / Juan Manuel
Published: May 2021

In the present investigation, the evaluation carried out with different methods served to determine the level of production and the economic competitiveness of livestock projects. The evaluation of the project aims to identify the advantages and disadvantages associated with the investment, so the implemented analysis method is useful for making rational decisions regarding different alternatives, especially when a development program is involved in the project, such as This is the case of the "Reliable Supplier" Program in livestock farming. Methods used that served to provide more accurate information on the generation of income and the level of competitiveness of companies, is the financial analysis and evaluation. Only the monetary aspect of the project is considered, with the objective of determining its profitability in terms of money flow. The research starts from the study of the “Reliable Supplier” Program, which focuses on the eradication of the use of Clenbuterol in animal feed, making meat producers aware of the importance of developing procedures that reduce the potential of contaminants in food, that can damage the final product, and that generate a health problem for consumers.
Diseño y construcción de un colorímetro para identificar el desgaste de fusibles
comerciales usando sensores fotoeléctricos
Authors: Torres-Flores M. Azucena , Martínez-Carrillo Irma , Juárez-Toledo Carlos
Published: May 2021

Color is a property that we are able to observe thanks to our visual perception; however, an instrument is necessary to perform the quantification on the RGB scale. The purpose of this work is to design and build a colorimeter to identify the wear degree of a conventional residential fuse, the fuse has been exposed to normal wear. The study is carried out using the quantification of light reflection on the RGB scale. The developed sensor consists of: - A cylindrical base made on a 3D printer, which allows the external light to be isolated and the upper part of the fuse socket inserted. - An electronic circuit made up of RGB light emitting led and a photoresistor. - An Arduino program that measures the reflection of the fuse on the RGB scale. Implementing the sensor will allow the identification of fuses in poor condition, which can cause failures in the electrical system. Future work will be aimed at quantifying the increase of energy consumption due to the use of fuses in poor condition transferred in RGB space.
Internal control: strengthening policy enging in non-profit organizations
Authors: HERRERA-FREIRE Alex Humberto , HERRERA-FREIRE Alexander Geovanny , TUAREZ-SOLORZANO Diana Elizabeth , TRIANA-JIMENEZ Katherin Yessenia
Published: May 2021

The purpose of this research is to determine the strengthening that non-profit organizations obtain through the application of internal control policies, that is to say the internal control of the institutions will be analyzed, because it is an indispensable tool for the development of administrative management, financial and accounting, allowing reasonable security for the fulfillment of institutional goals. A research study was carried out using the descriptive methodology, so the reading of scientific articles and the bibliographic review was carried out, obtaining information on the strengthening and importance of internal control policies in non-profit organizations. On the basis of the research carried out, it was found that many of the organizations do not have a specific control policy, and this would result in inefficiency and inefficiency in the operations they carry out causing them weaknesses. With a good internal control system, it helps them to develop guidelines and compliance standards so that procedures and activities are carried out efficiently and effectively, allowing no errors and fraud to be reported.
Systemic approach diagnosis to development and technological packages adoption for a sustainable sectoral agricultural
Authors: NIVÓN-PELLÓN Alejandra , VALENCIA-PÉREZ Luis Rodrigo , VIVANCO-VARGAS Martín , CASTAÑEDA-OLALDE Arturo
Published: May 2021

Technology in the agricultural sector can be defined as the set of technical knowledge that can result from the study and / or individual or collective experience that, in conjunction with practice, develops human skills and abilities. Technological innovation is fundamental to reach and maintain the levels of competitiveness that market requires, such as quality, organic production and nutritional content. The detection of actors, their activities, resources and capacities of a product chain system is needed, in order to develop technological packages for a singular type of crop, local circumstances and characteristics of the producer. The growing development of the wine sector in the country is a fertile field for the adoption of technological packages that promote precision agriculture in a harmonic and sustainable development. Improving the conditions and quality of the grape for winemaking, increasing the wine's storage potential and its nutraceutical nature. The opportune diagnosis of opportunity areas in the vineyard will help a sustainable management of the crop applying natural treatment in the opportune moment and precise place.
Disposable diapers problem and its regulations in Mexico
Authors: SERRANO-FARFÁN Angélica Rocío , NIVÓN-PELLÓN Alejandra
Published: May 2021

Disposable diapers are the modern solution to keep babies' skin dry and clean since they are efficient, a single diaper can keep a baby clean and dry for up to eight hours and they are effective due to the manufacturing materials that are waterproof, flexible, resistant and highly absorbent. While these are advantages to the layered design of the disposable diaper, they become barriers that prevent degradation. In Mexico, 14% of the solid waste generated corresponds to this waste. In the present work, a systematic and exhaustive review is made of the trends, regulations, and regulations that govern the commercialization and possible improvements to the disposable diaper considered a product whose usability is highly accepted and disseminated. The foregoing to prospect the development of this product and orient it towards a more sustainable future to manage the relevant innovations and changes in the regulations that correspond to disposable diapers in the framework of development: social, economic, and environmental that raises the 2030 agenda.
Intelligent prototype for the collection of small urban solid waste
Authors: ROSADO-CASTELLANOS Damián Uriel , PACHECO-FARFÁN Ivette Stephany , FUENTES-CHAB Iván Humberto , CHABLE-JIMENEZ Eliezer
Published: May 2021

Wasting disposal systems are a crucial sector in society, improper management of solid urban waste (SUW) can be harmful to health and the environment. In the state of Campeche, Mexico, an average of 3528.32 KG of waste is collected by every person, around 227 people are hired for this activity. This means that the generation of waste exceeds the collecting capacity in the state. This work presents an intelligent prototype for the collecting of small SUW. To achieve this task, we designed and created a model based on different electronic components (Raspberry, sensors, camera, etc.), as well as we created and implemented a SUW collection algorithm for its autonomy. The design of the prototype consists of two metal structures and the electronic components are integrated into the Raspberry. The creation and implementation of the algorithm work with artificial.
Intervención: cuidado del medio ambiente en la formación clúster de turismo alternativo, para el desarrollo regional
Authors: Valdez-Guerrero Raquel , Robles-Arias Isela Margarita , Real-Miranda Ivana María
Published: May 2021

Strategies for the development of an Environmental Intervention Plan in the formation of the alternative tourism cluster for regional development applied in El Triunfo, Baja California Sur are addressed to allow poverty reduction through the generation of self-employment in the region, increasing the quality of life and without compromising the natural environment. The objective is to identify strategic activities and processes that are integrated into the start-up of companies that conglomerate together and form an alternative tourism cluster. To carry out the same, the Planned Change Model Intervention methodology is used, where information is collected, data is processed, the intervention plan is analyzed and designed. For the purpose of this investigation they have been designed; a questionnaire to identify the knowledge and application of the regulations of the Law of Ecological Balance and Protection of the Environment, applied to the companies that conglomerates make up the cluster and an observation matrix to collect the information, for the processing comparative matrices have been designed with in order to identify opportunities for improvement and include them in the intervention process.
Remoción de arsénico presente en el agua potable del municipio de Ojocaliente, Zac. empleando perlas de gel de quitosano
Authors: Sandoval-Alvarado Martha Verónica , Conejo-Flores Ricardo , Guzmán-Pantoja Javier , García-González Juan Manuel
Published: May 2021

There is a great problem for the supply of drinking water in Mexico, the state of Zacatecas is no exception, in addition to this the water in the region has the presence of heavy metals, fluorine compounds, arsenic and high hardness. The objective of this work is to remove the arsenic present in the drinking water of the municipality of Ojocaliente, Zac. using chitosan gel beads. The initial sample was characterized giving an As concentration of 70 ppb, a high value in reference to the Official Mexican Standard NOM-127-SSA1-1994 for water for human consumption. A series of experiments were carried out at different concentrations, using drinking water sampled in Ojocaliente, Zac., The operation was in batches at an average temperature of 19 ° C and 250 rpm, in aliquots of 50 ml and 0.3 g of gel chitosan beads. The isotherm and kinetics model that fit the data was determined, being Langmuir and Pseudo first order, respectively, and 20% of the arsenic present in the water was removed in a separation step.
Validación y análisis de eficiencia en la producción de agua mediante la implementación de celdas Peltier
Authors: Chávez José Manuel , Espejel-Blanco Daniel Fernando , Hernández-Aguirre Fredy Alberto , Rascón-Barceló Luis Eduardo
Published: May 2021

At present, drought seasons are longer as a result of global warming, which has generated scarcity and rationing of water, these conditions become the main problem in towns far from urban areas and with little infrastructure. Mexico, with 653 aquifers throughout its territory, 106 are overexploited due to agricultural, mining, industrial and urban activities, which projects a possible depletion and contamination of its vital liquid to the country. For this reason, in order to contribute to a solution to the problem of water scarcity, when applying a control system to the technology used by Peltier cells, a moderate flow of water is generated, since it condenses the particles of water suspended in the air. In this way, a prototype was developed in which a Peltier cell arrangement is implemented to obtain as much water as possible under environmental factors, such as humidity and temperature, as well as an analysis of efficiency, cost and viability with a commercial generator system of water with similar capacities.
Conducta financiera del venezolano: Una escala para contextos de adversidad económica
Authors: Martins Antonio , Rodríguez Luis
Published: May 2021

Financial conduct is understood as any action that involves the use of money. These behaviors may vary depending on the economic reality of the countries, being the territories with financial difficulties those that pose greatest challenges in their measurement. The objective was to develop a financial behavior scale and analyze its psychometric properties. The items were prepared with the collaboration of expert judges and the dimensions of financial behavior were: (a) savings behavior, (b) debt management and (c) money management. The sample consisted of 780 participants (59.74% female) from Caracas aged between 18 and 70 years, from different occupational sectors. An adequate internal consistency of the instrument was obtainedin most of the factors. In addition, evidence of external validity to the test was found. Differences in the three dimensions depending on sociodemographic variables are shown in the study.
Evaluación de la comprensión del texto científico-académico en el posgrado mediante el procedimiento cloze
Authors: Difabio de Anglat Hilda , Álvarez Guadalupe
Published: May 2021

Cloze is a procedure with the potential of parsimoniously assessing the understanding of the scientific-academic text. There are no previous studies regarding the comprehension of Spanish texts at the postgraduate level. The aims of this study were: 1) to identify difficulty levels and discrimination index of the cloze items used in a postgraduate course (Facultad de Filosofía y Letras, Universidad Nacional de Cuyo, Argentina); 2) to analyse whether the distribution of the items ranging from very easy to very hard corresponds to percentages advised by statistical theory; 3) to describe the participants’ functional reading levels and4) to estimate the incidence of intrinsic factors or aspects of the task in items’ difficulty. Eighty-two cloze tests were collected and statistically analysed. The analysis revealed acceptable psychometric qualities for the instrument and acceptable differential levels of difficulty in content words according to the factors under study.
Propiedades Psicométricas de una prueba de admisión universitaria
Authors: Moreira-Mora Tania Elena
Published: May 2021

The objective of this study is to demonstrate the psychometric properties of the Aptitude Academic Test of the Instituto Tecnológico of Costa Rica, and it presents evidences about the content, construct and criteria. On this non-experimental and correlational study participated the students who applied for this test on 2019, 57% of them were men and 43% women, 74% came from public high schools and the rest, from private and subsidized schools. The findings demonstrate that the specification table provides the first evidence associated with the test content, whose mathematical and verbal indicators are significantly associated with the trait of academic aptitude. Additionally, the predictive value of these test indicators and the grades of diversified education were verified with the performance of the students in the first period. It is concluded that validation should be a permanent and rigorous process to consolidate the design of a standardized test and guarantee the proper use and interpretation of its results.
REFLEXÕES SOBRE A REGULARIZAÇÃO FUNDIÁRIA DO ASSENTAMENTO DO GLÓRIA NA CIDADE DE UBERLÂNDIA – MG
Authors: Ramires Júlio Cesar
Published: May 2021

Este artigo reflete sobre o processo de regularização fundiária do Assentamento do Glória em Uberlândia, tendo como recursos metodológicos a pesquisa documental, os trabalhos de campo e a realização de entrevistas informais com atores-chaves. As políticas de regularização fundiária urbana precisam ser associadas a outras políticas públicas para interromper o ciclo infinito de reprodução de novas ocupações irregulares. Os três anos de implantação do projeto de regularização não foram suficientes para implantar todas as ações, sendo    um período pequeno para se realizar um balanço das ações. Percebeu-se elevada inadimplência no pagamento das parcelas por parte dos moradores que poderão comprometer a realização de diversas obras na área, tais como a construção dos sistemas de abastecimento de água e esgotamento sanitário, sistema de drenagem pluvial e de pavimentação, já que é a única fonte de recursos prevista para implementar essas ações. Constatou-se também a comercialização de moradias por parte dos moradores que pode estar associado às dificuldades de honrar com os compromissos de pagamento das mensalidades ou por causa do processo de valorização da área dando margem a processos especulativos. O processo de regularização do Assentamento do Glória repete os mesmos problemas constatados em pesquisas acadêmicas sobre o tema em outras localidades.
CONHECIMENTO EM SOLO COMO ABORDAGEM DA EDUCAÇÃO AMBIENTAL NA REDE DE ENSINO BÁSICO EM SÃO LUÍS-MA
Authors: Ferreira Vitória Gleyce Sousa , Farias Filho Marcelino Silva , Rodrigues Willane da Silva , Garcês Júnior Audivan Ribeiro
Published: May 2021

O ensino do solo tem se mostrado um recurso importante nas práticas pedagógicas escolares quando associado a outras disciplinas, embora ainda não tenha recebido devida notoriedade. O presente artigo objetivou relatar a importância de atividades práticas de ensino e de campo para o desenvolvimento do conhecimento em solos e Educação Ambiental com alunos do Ensino Fundamental da rede pública e privada do município de São Luís- MA. As atividades foram desenvolvidas com alunos do 6º e 7º ano do Colégio O Bom Pastor e do Colégio Adventista e alunos do 9º ano da Unidade de Ensino Básico José Gonçalves do Amaral Raposo no ano de 2019. Foram realizadas aulas expositivas e práticas nas dependências da Universidade Federal do Maranhão-Campus Dom Delgado com o objetivo de estimular os alunos a associarem os conteúdos abordados em sala de aula com o ambiente ao seu redor. Constatou-se que o conhecimento dos discentes sobre as temáticas que envolvem o solo ainda são bastante superficiais e isso é reflexo do próprio sistema educacional limitado às práticas de ensino unilateral, sem muita interação com outras disciplinas, tais como biologia e química, acarretando prejuízos na formulação de um saber crítico reflexivo dos discentes, sobretudo no processo de sensibilização ambiental. Por outro lado, a realização das atividades práticas no campo e em sala de aula com o manuseio dos recursos didáticos possibilitou uma troca vasta de conhecimentos que provocaram nos alunos uma série de questionamentos e reflexões sobre o que estavam vivenciando.
Single-beam three-axis optically pumped magnetometers with sub-100 femtotesla sensitivity
Authors: Xiao Wei , Wu Yulong , Zhang Xiangzhi , Feng Yulong , Sun Chenxi , Wu Teng , Chen Jingbiao , Peng Xiang , Guo Hong
Published: May 2021

We demonstrate a single-beam three-axis parametric-resonance magnetometer operated in near-zero fields. By reflecting the incident laser beam at 90° in the vapor cell and applying three orthogonal parametric modulation fields, the three components of the magnetic field can be extracted from the transmitted light signal. Our vector magnetometer experimentally demonstrates magnetic-field sensitivities of 30 fT Hz−1/2 along x- and y-axes and 70 fT Hz−1/2 along the z-axis, and features a compact single-beam architecture, which is particularly attractive for applications requiring highly sensitive measurements of the vector components of magnetic fields with low power consumption and miniaturized magnetometers, such as magnetoencephalography and magnetocardiography.
Rotulagem do café e certificações de sustentabilidade Significado e importância para a sociedade
Authors: Silva Joana F. , Oliveira M. Beatriz P. P. , Alves Rita C.
Published: May 2021

O planeta está a sofrer alterações cada vez mais rápidas, com consequências devastadoras para a agricultura e as comunidades que a utilizam como principal meio de subsistência. O café é um dos produtos agrícolas mais transacionados e a matéria-prima de uma das bebidas mais consumidas e apreciadas. Porém, o seu cultivo feito em países maioritariamente subdesenvolvidos, e os cafeicultores dependem quase exclusivamente de seu cultivo. Pelo referido, surgiram as Voluntary Sustainability Standards (VSS), certificações que visam garantir melhor qualidade de vida dos trabalhadores e, simultaneamente, que o café seja produzido de forma mais sustentável. Nesta revisão, são abordadas questões sobre as diversas certificações do café e os domínios da sustentabilidade em que atuam (ambiental, econômico e social). Um dos principais objetivos é dar a conhecer estes tópicos, uma vez que ainda são bastante desconhecidos/desvalorizados pelos consumidores. Como complemento, apresentam-se outras informações que constam dos rótulos das embalagens de café vendido em Portugal, que certamente serão mais úteis se forem do conhecimento do consumidor. Adquirir café certificado é certamente uma forma de colaborar com os objetivos deste tipo de certificações e um meio de conhecer um pouco da história do produto consumido.
Estudo de Caso das perdas e aproveitamento de coproduto de alho em uma fábrica de temperos
Authors: Cruz Júlia Camila Da , Carvalho Lauane Cristine Silva , Bastos Rejiane Avelar , Gonçalves Gilma Auxiliadora Santos
Published: May 2021

Na elaboração de diferentes temperos, molhos e especiarias, uma fábrica de temperos de Barbacena, MG, gera um grande volume de coprodutos oriundos do despolpamento de vegetais para obtenção de extratos, e o coproduto obtido desse processo é descartado, gerando grande perda de matéria-prima, aumento dos custos de produção e do volume de lixo gerado. O objetivo deste trabalho foi contribuir com uma solução, realizando um estudo de caso para avaliar o desperdício gerado e propor formas de aproveitamento do coproduto do alho. Foi feito um levantamento sobre as perdas de alho, cebola, pimentão e salsa e, com base nele, foram preparados o coproduto desidratado e temperos de alho e sal, nas proporções de 0, 10, 20 e 30% de coproduto, em substituição ao alho integral. Foram feitas caracterizações físico-químicas do coproduto do alho fresco, coproduto do alho desidratado e dos temperos elaborados. Os resultados mostraram que a salsa gera o volume maior de coprodutos. O coproduto do alho apresenta características satisfatórias para processamento na forma desidratada e no tempero de alho e sal com 10% de polpa. Sugerimos que sejam feitos estudos quanto à avaliação sensorial dos produtos e testes do emprego de coprodutos da cebola, pimentão e salsa, para a elaboração de diferentes produtos.
Evaluation of selected organic residues as supplements on growth and yield of Oyster mushroom, Pleurotus florida
Authors: Idowu Olufunmilayo O.
Published: May 2021

Introduction: The growth and yield of a mushroom are dependent on its ability to utilize the inherent nutrients in the substrate. In order to acquire a good knowledge of the mushroom fruiting substrates, the nutritional contents of the substrate can be improved by the addition of some nitrogenous supplementation to the substrate

Methodology: The suitability of some locally available organic materials/wastes as yield boosters for the cultivation of Oyster mushroom Pleurotus florida was evaluated. Corn bran (CB), wheat bran (WB), rice bran (RB), palm kernel cake (PKC), groundnut cake (GNC), soya meal and poultry manure (PM) were separately added to sawdust from Gmelina aborea.

Results: Data analysis indicated significant variations among treatments in all the parameters taken. The presence of the various additives in the substrate significantly enhanced the biological efficiency (BE) of the mushroom when compared to the control (p<0.05). P. florida had its highest BE (68.74%) on sawdust added with rice bran (RB) and its least on the control (17.98%). Days to mycelium colonization were shortest on CB (23) and longest on PM (39). Shortest days to primodia initiation were observed on CB (29) and the longest on PM (48). Also, protein content in the fruiting bodies was significantly highest in substrates added with PKC (30.98) and WB (30.94) (p<0.05) and least in control (22.48).

Conclusion: It was evident that the inclusion of these additives significantly improved the growth, yield, and nutritional contents of the investigated mushroom. PKC and WB may be used to enhance both the yield and nutritional values of the mushroom.
Mechanism of Torque Ripple Generation by Time and Space Harmonic Magnetic Fields in Permanent Magnet Synchronous Motors
Authors: Yamazaki Katsumi , Utsunomiya Kento , Ohiwa Hiroaki
Published: May 2021

In this article, we investigate mechanism of torque
ripple generation by time and space harmonic magnetic fields in permanent
magnet synchronous motors to obtain advanced motor designs. The general
expression between the torque ripples and harmonic air-gap flux densities in the
motor is derived by using Maxwell stress tensor. Both
the numerical and experimental verifications of this expression are carried
out. Then, the major harmonic magnetic fields that produce the torque
ripples are specified and the differences between the surface and interior
permanent magnet synchronous motors are investigated. According to these investigations,
the shape of the rotor surface of an interior permanent magnet motor is
optimized. It is clarified that specific harmonic components of the torque
ripples in interior permanent magnet synchronous motors can be reduced to be
nearly zero by optimizing the rotor surface shape.
An analysis of the transaction towards sustainable food consumption practises during the Italian lockdown for SARS-CoV-2: the experience of the Lombardy region
Authors: D’Addario Marco , Labra Massimo , Mari Silvia , Matacena Raffaele , Zenga Mariangela
Published: May 2021

This paper intends to investigate the behaviours adopted during this lockdown period due to SARS-CoV-2, in which most individuals have found themselves forced to carry out their daily lives within domestic boundaries, and compare them with previously practiced food-related habits. The aim is to understand whether strategies of buying, preparing and consuming food have changed with respect to established habits of 'ordinary' periods, and how these choices are linked to the psychological and emotional wellbeing/feeling experienced by individuals, to the physiological well-being of individuals and to social, environmental and economic sustainability. The analysis is based on the survey carried out by the Department of Psychology in collaboration with the interdepartmental center BEST4Food of Milano-Bicocca university.
AN EXPLORATIVE STUDY REGARDING THE RELATIONS BETWEEN DARK TRIAD AND HEXACO MODEL OF PERSONALITY
Authors:   Communication Department, National University of Political Studies and Public Administration, (Romania), Stănescu Dan Florin , Romașcanu Marius Constantin
Published: May 2021

"Despite their diverse origins, the personalities composing this Dark Triad share several features. To varying degrees, all three entail a socially malevolent character with behavior tendencies toward self-promotion, emotional coldness, duplicity, and aggressiveness (Paulhus & Williams, 2002). Subclinical narcissism, Machiavellianism, and psychopathy are referred to as the Dark Triad due to their socially undesirable nature, similar phenotypical behaviors (e.g., manipulation), positive intercorrelations of their scales, and conceptual similarities (e.g., ego-centricity) (Rauthmann, 2012). A narcissistic person is described in terms of a high vanity, constantly seeking attention and admiration, with a sense of superiority or authority. Most often he or she manifests manipulative and exhibitionist behaviors. Machiavellianism is a tendency to be cynical, pragmatic, emotionally detached in interpersonal relations but, at the same time a good organizer and having long-term strategically thinking. Psychopathy presents as cardinal features: impulsiveness, emotional detachment, manipulative antisocial behavior. In the current study 126 participants (24 males and 102 females), ages ranged between 18 and 26 years old (M=19.30, SD=1.11), were invited to fill in the following measures: MACH IV (Christie & Geis, 1970), Narcissistic Personality Inventory NPI-16 (Ames, Rose & Anderson, 2006), Self-Report Psychopathy scale – version III (Paulhus, Neumann, & Hare, 2009) and HEXACO-PI-R (Lee & Ashton, 2018). Results showed significant negative correlations between psychoticism and four of the six HEXACO factors, namely Honesty-Humility, Emotionality, Agreeableness, and Conscientiousness. Similarly, narcissism is negatively related to Honesty-Humility and Agreeableness, and positively with Extraversion. Machiavellianism showed a positive correlation with Honesty-Humility, Agreeableness, and Conscientiousness. Findings of the current study should be extended in more diverse samples (e.g., better female-male ratio) and also including measures for the Light Triad of personality, thus providing new insights into the positive, growth-oriented personality traits."
ANXIETY AND DEPRESSION IN PATIENTS SUFFERING A MYOCARDIAL INFARCTION DURING THE COVID-19 PANDEMIC
Authors:   Institute of Cardiology of Rio Grande do Sul, Schmidt Márcia Moura ,   Graduate Program in Health Sciences: Cardiology (Brazil), da Silva Amanda Bittencourt Lopes ,   Institute of Cardiology of Rio Grande do Sul (Brazil), Marques Samanta Fanfa ,   Institute of Cardiology of Rio Grande do Sul (Brazil), Seelig Cynthia ,   Institute of Cardiology of Rio Grande do Sul (Brazil)
Published: May 2021

"Introduction: Acute myocardial infarction is an experience that may cause severe emotional impact to the individual who presented it. The anxiety and depression felt is caused not only by the infarction episode itself, but also by the current uncertain state of the world during and because of the COVID-19 pandemic, something which can heighten these negative feelings throughout the entire population, especially in those considered to be in high risk groups. Objective: The objective of the present study is to estimate the prevalence of anxiety and depression among patients infarcted during the current coronavirus pandemic in the state of Rio Grande do Sul. This study will compare clinical characteristics and risk factors between groups with and without anxiety and depression. Methods: Acute myocardial infarction patients who were submitted to percutaneous coronary intervention from February to June 2020 at a reference hospital in cardiology were considered eligible. The patients were interviewed via phone calls. The clinical characteristics and intra-hospital events were obtained from the hospital’s REDCap Database. The level of anxiety and depression suffered was evaluated utilizing the HADS (Hospital Anxiety and Depression Scale). Patients considered as suffering from anxiety and depression were those who obtained scores for the possible and probable presence of those mood disorders. Patients were divided into groups with and without anxiety and depression. The categorical variables were expressed through frequency and percentage and analyzed by the Chi-square test and the continuous variables were described by average and standard deviation, and analyzed by Student's t-test. Results: A total of 55 patients were interviewed. The majority of these patients were male (74,5%) and white (80%). The average age of those participating in the study was 58 ±12 years, and the female participants were older than the males. The average number of years of education was 8 ± 4 years. The prevalence of anxiety was 38,2% and of depression 30,9%. Conclusions: The prevalence of anxiety and depression was higher than those described in the literature for this population, which supports the hypothesis that the pandemic may be aggravating the patient’s emotional state. Another group will be interviewed for the control group."
RELATIONSHIPS BETWEEN MODELS OF FAMILY EDUCATION AND DEVIANT BEHAVIORS AMONG TEENAGERS
Authors:   Department of Social Psychology, Faculty of Psychology, VNU-University of Social Sciences and Humanities in Hanoi/Affiliation (Vietnam), Tran Thu Huong , Lan Le Thi Ngoc ,   Postgraduate, Faculty of Psychology, VNU-University of Social Sciences and Humanities in Hanoi/Affiliation (Vietnam), Nguyen Thi Minh ,   Vietnam Court Academy, The Supreme People Court, Hanoi/ Affiliation (Vietnam), Le Thu Trang ,   People’s Police Academy, Hanoi/ Affiliation (Vietnam)
Published: May 2021

"Background: An important predictor of adolescents’ developmental outcomes is a model of family education, described in terms of parental behaviors. Various parental behaviors were strongly associated with increasing risk of deviant behaviors at school. Methods: The study was conducted on 566 adolescents, comprising 280 males (49.5%) and 286 females (50.5%), of grade 11th and 12th, of age rang 16-17 years from different government colleges in Vietnam. There were 2 self-reported scales to be used: Parental behavior scale; Adolescent deviant behaviors; Data was analyzed by using reliability analysis to examine the psychometric properties of the scales. Results: There was a strong, negative correlation between school deviant behaviors in adolescents and the parental support model (with rfather =-.53, rmother =-.61, p-value <.01); a strong, positive correlation between the school deviant behaviors and the parental psychological control model (with rmother =.45 and rfather =.47, p-value<.01). Conclusions: In family education, positive behaviors used by parents such as supportive, warmth and moderate control would have a positive impact on the adolescent’s behavioral development; conversely, parents’ psychological control would negatively affect and give rise to deviant behaviors among adolescents."
PROCRASTINATION AND SELF-CONCEPT IN MORE/LESS CONSCIENTIOUS STUDENTS
Authors:   University of Prešov in Prešov, Faculty of Humanities and Natural Sciences, Institute of Pedagogy, Andragogy and Psychology (Slovakia), Berinšterová Marianna , Bozogáňová Miroslava , Magdová Monika , Kapová Jana , Fuchsová Katarína
Published: May 2021

"Given its significant negative consequences for university students, procrastination has been studied extensively and shown to be associated with conscientiousness as a personality trait. Involving 333 university students doing teacher training programmes (68.5% female; Mage=20.51 (SD=1.61); 83.48% undergraduates doing a bachelor’s degree), our study aimed to explore the association between procrastination among more/less conscientious students and selected self-concept variables (self-control, self-efficacy, etc.). Our questionnaire was based on the Ten-Item Personality Inventory (Gosling, Rentfrow, Swann, 2003), the Self-Control Scale (Finkenauer, Engels, Baumeister, 2005), the Self-efficacy Scale (Ko?š, Hefteyova, Schwarzer, Jerusalem, 1993), and the Procrastination Scale for Student Populations (Gabrhelík, 2008); our control variables were gender and well- being (Subjective Well-Being Scale, Chan-Hoong, Soon, 2011). The sample was divided into two groups – (1) less conscientious and (2) more conscientious) – using the method of visual binning in SPSS 20. A t-test for independent samples and linear regression were used for data analysis. The less conscientious students in our sample reported a higher level of procrastination (t=6.479; df=310; p?0.001; Cohen's d=0.681). A linear model was conducted for both groups (the dependent variable being the level of procrastination, the independent variables being gender and the levels of self-control, self-efficacy, and well-being). Both models were significant ((1) F=8.449; p?0.001; R2=32.6; (2) F= 7.277; p?0.001; R2=25.7). Among the less conscientious students, the levels of self-control (?=-0.546; t=-5.262; p?0.001) and self-efficacy (?=-0.238; t=-2.092; p?0.001) were negatively associated with procrastination. Among the more conscientious students, the level of self-control (?=0.404; t=-3.929; p?0.001) was negatively associated with procrastination and “being a man” (0–man; 1–woman) (?=-0.307; t=-3.219; p?0.05) was significantly associated with the level of procrastination. The results of our study show trait and personality differences in the level of procrastination, highlighting the importance of self-control and self-efficacy development among university students. Interactive programmes with an impact on students’ self-concept can be a significant contribution to students’ ability to cope with their study requirements effectively. It could be argued that the limits of this study include cross-sectional and self-reported data."
TEACHERS' WELLBEING: THE ROLE OF CALLING ORIENTATION, JOB CRAFTING AND WORK MEANINGFULNESS
Authors:   Faculty of Teacher Education, University of Zagreb (Croatia), Jurčec Lana , Ljubin Golub Tajana , Rijavec Majda
Published: May 2021

"People who consider their work as a calling find it fulfilling, purposeful, and socially useful, thus leading to higher levels of well-being. Since work is a central part of the identity of people with calling orientation and represents one of the most important domains of their lives, we assume that they are more prone to craft their job. They tend to make the physical and cognitive changes in the task or relational boundaries of their work in order to make it more meaningful. Both experiencing work as a calling and job crafting are found to be associated with numerous positive outcomes such as increased job satisfaction, psychological well-being and sense of meaning. This study adds to literature by exploring simultaneously the role of both calling orientation and job crafting in primary teacher’s wellbeing. The aim of the study was to explore the relationship between teachers calling orientation, job crafting, work meaningfulness and well-being. In light of the literature on work meaningfulness and psychological well-being, a serial mediation model was proposed with job crafting and work meaningfulness mediating the relationship between teacher calling orientation and teacher flourishing. The sample consisted of 349 primary school teachers (95% female) from public schools in northern western region of Croatia. They have on average 22 years of teaching experience (ranged from 0-43 years). Self-report measures of calling orientation (Work-Life Questionnaire), job crafting (Job Crafting Scale), work meaning (Work Meaningfulness scale) and flourishing (Flourishing Scale) were used. The findings revealed that the job crafting via increasing structural job resources mediated the relationship between calling orientation and work meaningfulness. Furthermore, the results supported the proposed serial mediation between calling orientation and flourishing via increasing structural job resources and increasing work meaningfulness. Based on these findings, several practical implications can be noted. First, interventions aimed at helping teacher view their job as a calling should be promoted in schools. Second, teachers should be encouraged to cultivate job crafting as it is an important path to meaningfulness in work context and overall psychological wellbeing. This is specially the case for increasing structural job resources, such as autonomy and variety at work."
SOCIAL METACOGNITION IN THE PROCESS OF DECISION MAKING
Authors:   Department of Psychology, Lomonosov Moscow State University (Russia), Folomeeva Tatiana V. , Klimochkina Ekaterina N.
Published: May 2021

"Individual metacognitions are responsible for monitoring and controlling our knowledge, emotions and actions, while social metacognitions are included in the process of monitoring and controlling each other’s knowledge, emotions and actions by group members. The distribution of metacognitive responsibilities among group members increases the visibility of individual metacognitive abilities. The study aimed to investigate the role of social metacognitions in the decision process of choosing current fashion trends: to compare how participants interact and social metacognitions influence their decisions in contradiction to the decisions made in individual work, where only individual metacognitions were available. The study consisted of several stages: starting from current trends analysis and follow up interviews, as well as, filling in individual journals. The last step was group work: discussion. The sample was 40 participants (M=24,35, Sd=2,27). Gathered data was processed through a descriptive qualitative analysis using the phenomenological method. Lack of knowledge or confidence to make a decision about which trends represent what is current in fashion in individual work, participants compensate with knowing about their own metacognition. Thus, in teamwork, these individuals’ level out limitations on knowledge or confidence by choosing the behaviour that can increase their knowledge. Choice of the behaviour strategy relies on individual metacognition. Therefore, teamwork provides individuals with additional resources as other team members, which increases the overall significance of work due to the contribution of individual metacognition. Social metacognitions help to distribute responsibilities among group members according to individual metacognitions. In group work, the visibility of individual metacognitions increases and favourably affects learning between participants, facilitates interaction and improves cognitive processes. Due to social metacognitions, participants who lack knowledge or confidence to make an individual decision solve their difficulties in a social situation, where limitations of individual metacognition are mitigated with social metacognitions."
AGE DIFFERENCES IN THE ACUTE STRESS EFFECTS ON DECLARATIVE MEMORY PERFORMANCE
Authors:   Department of Psychology and Sociology, University of Zaragoza (Spain), Hidalgo Vanesa , Pulopulos Matias M. ,   Department of Psychology and Sociology, University of Zaragoza (Spain), Montoliu Teresa ,   Department of Psychobiology and IDOCAL, University of Valencia (Spain), Crespo-Sanmiguel Isabel ,   Department of Psychobiology and IDOCAL, University of Valencia (Spain), Zapater-Fajarí Mariola ,   Department of Psychobiology and IDOCAL, University of Valencia (Spain), Salvador Alicia ,   Department of Psychobiology and IDOCAL, University of Valencia (Spain)
Published: May 2021

"In the last decades, there has been a growing interest in knowing the effects of acute stress on memory performance, particularly declarative memory. Research on this topic suggests that age is a crucial individual factor to consider in the stress-memory link. However, most of the evidence has been obtained from studies conducted in young people and, surprisingly, studies in older people are scarce. Thus, our aim was to investigate the age differences in the acute stress effects on declarative memory performance. To do this, we directly compared the effects of a psychosocial acute stressor (i.e. Trier Social Stress Test) on learning, consolidation and memory retrieval performance in two age groups (young: 18-35 years vs. 54- 78 years). As expected, worse memory performance was associated with age. Overall, stress did not affect learning, consolidation and memory retrieval performance in older people. However, stress caused greater interference in the older people’s memory performance than a control task, but this result was not found in young people. In addition, stress impaired retrieval performance in young men but not in older people. Our results suggest that age moderates the stress-induced effects on declarative memory. In addition, they support the idea that older people could be less sensitive to acute stress effects on memory probably due to an age-related reduction of the sensitivity and density of the glucocorticoid receptors and a decrease in the functional amygdala and hippocampus interconnectivity."
THE EFFECT OF DIFFERENT SPATIAL WORKING MEMORY LOADS ON VISUAL SEARCH
Authors:   Department for Clinical Neurosciences and Preventive Medicine, Danube University Krems, Höfler Margit ,   Institute of Psychology, University of Graz (Austria), Bauch Sebastian A. ,   Institute of Psychology, University of Graz (Austria), Englmair Elisabeth ,   Institute of Psychology, University of Graz (Austria), Friedmann-Eibler Julia ,   Institute of Psychology, University of Graz (Austria), Sturm Corina ,   Institute of Psychology, University of Graz (Austria), Ischebeck Anja ,   Institute of Psychology, University of Graz (Austria)
Published: May 2021

"Working memory (WM) has been shown to be an important factor in visual search. For instance, there is evidence that both spatial and visual WM load lead to a decrease in search performance, resulting in a longer time to complete a search. However, the findings regarding search efficiency, i.e., search time as a function of display size, are less clear. This measure has been reported to be affected by spatial but not visual WM load. In three experiments, with approximately 20 participants each, we tested how two different types of spatial WM load affect visual search in terms of search performance and efficiency. In all experiments, participants were asked to memorize the spatial locations of two (low load) or four items (high load) presented either serially (Experiment 1) or simultaneously (Experiments 2 and 3). After that, they had to search for a target letter in a display of 5, 10 or 15 letters. In Experiment 3, participants additionally performed a verbal WM task. A control condition with no memory load (search only) was also included in each experiment. The results showed that, compared to the search-only condition, search times increased when spatial load was added. This was regardless of the type of spatial WM load. No search-time differences were found between the low and high-load condition. The additional verbal WM task had no effect on search performance. Furthermore, and in contrast to previous findings, search efficiency was not affected by either type of spatial WM load. These results suggest that visual search performance, but not search efficiency, is affected by spatial WM load."