bluuebunny/crossref_metadata_2025_split huggingface dataset:
PENGGUNAAN METODE COOPERATIVE LEARNING TIPE JIGSAW UNTUK MENINGKATKAN HASIL BELAJAR PADA MATERI IMAN KEPADA RASUL ALLAH
Authors: Ali Maftuhin  
Published: January 2024

Penelitian ini membahas peningkatkan motivasi belajar mata pelajaran PAI kelas Kelas VIII D SMP N 2 Tanjung Jabung Timur yang melatar belakangi penelitian adalah rendahnya keaktifan dalam pembelajaran PAI, kurangnya motivasi belajar siswa, dan nilai hasil belajar yang masih banyak yang belum tuntas KKM. Peneliti berinisiatif melakukan penelitian tindakan kelas dengan memakai metode yang bersifat student centered atau ative learning tidak seperti yang biasa dipakai oleh guru sebelumnya yaitu metode dengan ceramah yang teacher centered. Metode yang dipakai adalah metode Cooperative Learning Tipe jigsaw.
Adapun yang menjadi rumusan masalah yaitu, “Bagaimana metode Cooperative Learning Tipe jigsaw dapat meningkatkan hasil belajar siswa materi pokok Iman Kepada Rasul Allah Kelas VIII D SMP N 2 Tanjung Jabung Timur ?” Rumusan masalah tersebut dikaji dengan menggunakan metode penelitian tindakan kelas (classroom action research). Teknik pengumpulan data menggunakan teknik dokumentasi, observasi, dan tes. Dari hasil penelitian mengindikasikan peningkatan setelah digunakan metode jigsaw learning. Indikator peningkatan itu antara lain meningkatnya keaktifan kelas, meningkatnya motivasi belajar dan semangat siswa, serta meningkatnya hasil belajar siswa.
Pada siklus I jumlah siswa yang lulus hanya 12 orang atau 54,55%, dan nilai rata-rata hanya 64,55. Pada siklus II, prosestase ketuntasan siswa meningkat menjadi 16 orang atau 72,73% dengan nilai rata-rata 73,18. Dan pada siklus III prosentase siswa yang lulus KKM mencapai 86,36% dengan jumlah siswa sebanyak 19 orang yang tuntas dengan nilai rata-rata mencapai 79,09. Dari hasil penelitian ini dapat diambil kesimpulan bahwa dengan menggunakan metode jigsaw leaning pembelajaran mata pelajaran PAI Kelas VIII D SMP N 2 Tanjung Jabung Timur dapat ditingkatkan.
PENERAPAN METODE INDEX CARD MATCH UNTUK MENINGKATKAN HASIL BELAJAR SISWA MATA PELAJARAN PAI MATERI HADIST TENTANG MENUNTUT ILMU
Authors: Siti Masitah  
Published: January 2024

Belajar merupakan usaha memperoleh sejumlah ilmu pengetahuan yang dilakukan melalui proses perubahan tingkah laku secara keseluruhan yang berorientasi pada lingkungan. Belajar pada intinya membedakan antara sebelum dan sesudah belajar serta dilakukan lewat kegiatan atau praktek yang disengaja. Dalam agama islam belajar merupakan kewajiban setiap muslim agar memperoleh ilmu pengetahuan sehingga dapat meningkatkan derajat kehidupan mereka.
Pembelajaran memiliki kedudukan yang sangat signifikan dalam mencapai tujuan pendidikan Islam, karenanya, penerapan metode yang tepat sangat mempengaruhi keberhasilan dalam proses belajar mengajar. Sebaliknya, kesalahan dalam menerapkan metode akan berakibat fatal.
Dalam materi HADIST TENTANG MENUNTUT ILMU, hasil belajar siswa SMPN 9 TANJUNG JABUNG TIMUR tergolong rendah. Hal itu bisa dilihat dari hasil penilaian yang dilaksanakan oleh guru pada saat kelas IX.A yang menyatakan bahwa siswa yang mendapat nilai dibawah Kriteria Ketuntasan Minimal.
Untuk mengatasi masalah ini dicoba mencari solusi untuk meningkatkan hasil belajar materi HADIST TENGTANG MENUNTUT ILMU dengan menggunakan strstegi “INDEX CARD MATCH.
MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI PERILAKU TERPUJI DENGAN MODEL PEMBELAJARAN KOOPERATIF TIPE COURSE REVIEW HORAY
Authors: Abdul Mujahid  
Published: January 2024

Proses pembelajaran yang menggunaan model pembelajaran yang kurang menarik mengakibatkan minat belajar siswa menjadi rendah. Selain itu, siswa kurang berpartisipasi aktif dalam pembelajaran sehingga mengakibatkan pembelajaran kurang bermakna bagi siswa.Pembelajaran yang berlangsung masih berpusat pada guru. Pembelajaran menggunakan penerapan model pembelajaran Koorperatif Tipe Course Review Horay ini diharapkan siswa mudah memahami materi yang disampaikan dan dapat meningkatkan hasil belajarnya.
Rumusan masalah adalah: Apakah penggunaan model pembelajaran kooperatif tipe Course Review Horay dapat meningkatkan hasil belajar siswa SMP Negeri 11 Tanjung Jabung Timur pada materi Perilaku Terpuji?
Penelitian ini mengunakan penelitian tindakan kelas (PTK). Tahap penelitian terdiri atas empat tahap, yaitu perencanaan, pelaksanaan tindakan, pengamatan dan refleksi. Untuk mengetahui peningkatan hasil pada waktu tindakan dan setelah tindakan dilakukan.
Dari hasil penelitian menunjukkan bahwa penerapan model pembelajaran kooperatif tipe Course Review Horay menjadikan pembelajaran lebih menyenangkan dan siswa mudah memahami materi pembelajaran. Selain itu, dengan penerapan model pembelajaran kooperatif tipe Course Review Horay dapat meningkatkan hasil belajar siswa pada materi perilaku terpuji. Pencapaian hasil belajar siswa 81,52 %, mengalami peningkatan yang cukup signifikan dari prasiklus yang hanya sebesar 22,22 % , jika dibandingkan dengan sebelum menggunakan model pembelajaran Koorperatif Tipe Course Review Horay dari 22,22% pada siklus pertama hanya 71,26% dan pada siklus II telah mencapai 81,52% terjadi peningkatan sebesar 59,3%.Pencapaian pada siklus kedua ini mengalami peningkatan terhadap semua aspek yang diteliti. Pada pertemuan siklus kedua ini terjadi pula pada hasil penilaian dari pembelajaran yang dilaksanakan, dan hasilnya juga sesuai dengan yang diharapkan oleh peneliti. Dapat dinyatakan bahwa penerapan model pembelajaran ini dapat meningkatkan hasil belajar siswa SMPN 11 Tanjung Jabung Timur. Dengan kata lain pengunaan model pembelajaran yang sesuai akan membantu meningkatkan hasil belajar siswa.
PENERAPAN MEDIA AUDIO VISUAL DALAM MENINGKATKAN PENGUASAAN KONSEP PEMBELAJARAN PENDIDIKAN AGAMA ISLAM PADA SMPN 13 TANJUNG JABUNG TIMUR
Authors: Meri Handayani  
Published: January 2024

Penelitian ini berlatar belakang pada kenyataan bahwa dalam pembelajaran PAI guru masih menggunakan metode ceramah dan belum memaksimalkan penggunaan media, sehingga proses belajar siswa terkadang kurang kondusif. Penelitian ini merupakan Penelitian Tindakan Kelas ( PTK ) yang terdiri dari dua siklus, data diambil melalui teknik pengumpulan data berupa data hasil observasi aktifitas siswa selama proses pembelajaran dengan menggunakan media audio visual serta hasil belajar.
Media audio visual merupakan salah satu media belajar yang menggabungkan antara gambar dan suara. Hasil penelitian menunjukkan adanya peningkatan dari setiap siklusnya. Hal ini terbukti dari nilai rata-rata hasil belajar siswa dapat meningkat secara bertahap yaitu dari tahap pra siklus 36%, pada Siklus I50 %, dan pada Siklus II 86 %, dan jumlah peningkatan hasil belajar dari Prasiklus, Siklus I, danSiklus II adalah 50 %.
Berdasarkan deskripsi data dan pembahasan, dapat disimpulkan bahwa penerapan media audio visual dapat meningkatkan pemahaman konsep pelajaran Pendidikan Agama Islam hal tersebut dilihat dari hasil tes yang meningkat disetiap siklusnya. Pendidikan yang bermutu dapat tercermin dari penilaian hasil belajarnya, artinya semakin bermutu tingkat layanan pendidikannya semestinya hasil belajarnya juga semakin baik.
UPAYA MENINGKATAN HASIL BELAJAR PAI MATERI JUJUR, AMANAH DAN ISTIQAMAH SISWA SMPN 15 TANJUNG JABUNG TIMUR MELALUI MODEL PEMBELAJARAN SNOWBALL THROWING SELAMA PANDEMI COVID-19
Authors: Masjidin  
Published: January 2024

Permasalahan yang melatar belakangi penelitian ini yaitu hasil belajar yang rendah dan juga penggunaan strategi pembelajaran yang masih bersifat konvensional. Dalam hal ini peneliti berusaha mengatasi permasalahan tersebut dengan menerapkan model pembelajaran Snowball Throwing yang bertujuan untuk meningkatkan hasil belajar peserta didik pada mata pelajaran Pendidikan Agama Islam kelas VII di SMPN 15 Tanjung Jabung Timur. Adapun rumusan masalah pada penelitian ini adalah: Apakah hasil belajar peserta didik dapat ditingkatkan melalui metode pembelajaran Snowball Throwing pada mata pelajaran Pendidikan Agama Islam (PAI) materi jujur, amanah, dan istiqamah di SMPN 15 Tanjung Jabung Timur?
Jenis penelitian ini menggunakan Penelitian Tindakan Kelas (PTK) yang dilakukan melalui 2 siklus dengan tahapan yaitu perencanaan, tindakan, observasi dan refleksi. Selain itu, penelitian ini menggunakan beberapametodepenelitiansepertiobservasi,wawancara,dokumentasi dan tes. Oleh karena itu, data yang diperoleh oleh peneliti melalui data observasidikelas dan dokumentasi hasil tindakan yang dilakukan. Selain itu, dengan penelitian tindakaniniakan diketahui peningkatan setelah proses tindakan per-siklus.
Hasil dari penelitian ini berupa adanya kenaikan hasil belajar secara signifikan pada tiap siklus. Sebelum menerapkan model pembelajaran snowball throwing rata-rata kelas hanya 58,57. Jumlah siswa tuntas hanya 4 orang (17,24%), sedangkan siswa yang beum tuntas sebanyak 24 orang (82,76%).Siklus I, sudah menerapkan model pembelajaran Snowball Throwing dan memperoleh nilai rata-rata menjadi 70 pada siklus I dengan jumlah siswa yang memperoleh nilai diatas KKM sebanyak 13 siswa atau sebesar (46,43%), sedangkan siswayang masih belum tuntas sebanyak 15 orang (53,57%). Pada siklus II, nilai rata-rata meningkat secara signifikan menjadi 80,9 dengan jumlah siswa yang memperoleh nilai di atas KKM sebanyak 23 siswa atau sebesar (82,76%), sedangkan siswa yang masih belum tuntas sebanyak 5 orang (17, 24%). Dengan demikian pada siklus II telah berhasil meningkatan keaktifan danhasil belajar siswa dengan maksimal dan telah mencapai target yang telah ditetapkan, serta penelitian ini dinyatakan berhasil.
ROLE OF TEACHER IN CHARACTER DEVELOPMENT
Authors: Kumar Dr. G. Syam 
Published: January 2024

The present study is an attempt to examine the role of the teacher in character development. The teacher is the whole and sole responsibility in the sequence of building up the student character.

There is a triangle relationship between a teacher (P.E.T.) and the students' behaviour and character.

In this connection, the teacher must know about the principles of character development. One of the impartments accepted for building up a character is the relationship between the teacher and student.

The basic concept is of two types for building up the Character 1. Those derived from social nature.

2. Those derived from psychological nature.
Multi-strategy synthetized equilibrium optimizer and application
Authors: Sun Quandang , Zhang Xinyu , Jin Ruixia , Zhang Xinming , Ma Yuanyuan 
Published: January 2024

Background
Improvement on the updating equation of an algorithm is among the most improving techniques. Due to the lack of search ability, high computational complexity and poor operability of equilibrium optimizer (EO) in solving complex optimization problems, an improved EO is proposed in this article, namely the multi-strategy on updating synthetized EO (MS-EO).

Method
Firstly, a simplified updating strategy is adopted in EO to improve operability and reduce computational complexity. Secondly, an information sharing strategy updates the concentrations in the early iterative stage using a dynamic tuning strategy in the simplified EO to form a simplified sharing EO (SS-EO) and enhance the exploration ability. Thirdly, a migration strategy and a golden section strategy are used for a golden particle updating to construct a Golden SS-EO (GS-EO) and improve the search ability. Finally, an elite learning strategy is implemented for the worst particle updating in the late stage to form MS-EO and strengthen the exploitation ability. The strategies are embedded into EO to balance between exploration and exploitation by giving full play to their respective advantages.

Result and Finding
Experimental results on the complex functions from CEC2013 and CEC2017 test sets demonstrate that MS-EO outperforms EO and quite a few state-of-the-art algorithms in search ability, running speed and operability. The experimental results of feature selection on several datasets show that MS-EO also provides more advantages.
A distinct neurocognitive phenotype in female fragile‐X premutation carriers assessed with visual attention tasks
Authors: Steyaert Jean , Legius Eric , Borghgraef Martine , Fryns Jean‐Pierre 
Published: December 2002

AbstractPremature ovarian failure (POF) and underlying hormonal changes are recognized as a distinct phenotype in female fragile‐X premutation carriers. Neurocognitive deficits, in particular mental retardation, are associated with the full mutation in males and females. In female full mutation carriers this neurocognitive phenotype is expressed more mildly than in males. Research on whether the fragile‐X premutation is associated with a particular neurocognitive phenotype or not has been equivocal. By means of the Sonneville Visual Attentions Tasks (SVAT) computer‐based battery of neurocognitive tasks, we assessed reaction time on different tasks in three groups of subjects: female premutation carriers, female full mutation carriers, and female control subjects. The results show that a fraction of the female premutation carriers perform poorly on several selective attention tasks, but not on other tasks. Their neurocognitive profile is different from that of control subjects and of the majority of female premutation carriers. It may also be different from the phenotype of female full mutation carriers, though in that respect this study remains inconclusive. These findings support earlier findings that the fragile‐X premutation may affect neurocognitive functioning, in particular aspects of attention. © 2002 Wiley‐Liss, Inc.
Two sibs with brachyolmia type Hobaek: Five year follow‐up through puberty
Authors: Hoo Joe J. , Oliphant Michael 
Published: December 2002

AbstractA brother and a sister affected with brachyolmia (short trunk) are reported. Their radiological findings are compatible with brachyolmia, Hobaek type, which is characterized by platyspondyly, horizontal acetabular roof, short femoral neck, and vertical “mixed lucent and dense” striation pattern in the metaphyses of large long bones. Despite normal birth weight and length, the platyspondyly is present at infancy, but clinically the condition may not be noticeable until late childhood or early puberty, when stunted growth becomes apparent. Beyond puberty, the patients are short in stature, mainly due to a short trunk with decrease upper and lower body segment ratio. Brachyolmia type Hobaek is a relatively benign condition. It may cause a mild and nonspecific backache that usually is not debilitating. The inheritance mode is apparently autosomal recessive. © 2002 Wiley‐Liss, Inc.
Wie wichtig ist Paritätsverletzung für die molekulare und biomolekulare Chiralität?
Authors: Quack Martin 
Published: December 2002

AbstractParitätsverletzung führt zu Energiedifferenzen ΔpvH$\rm{_{0}^{\ominus }}$=NAΔpvE zwischen Enantiomeren im Bereich von Femtojoule bis Picojoule pro Mol. Neue Methoden der elektroschwachen Quantenchemie sagen voraus, dass diese Energiedifferenzen um ein bis zwei Größenordnungen größer sind als bisher angenommen – aber immer noch sehr klein. Wie können wir derartig kleine Energien messen und was sind die Konsequenzen für unser Verständnis der molekularen Chiralität, der biomolekularen Homochiralität und vielleicht der Grundlagen der Physik? Der Beitrag gibt einige vorläufige Antworten auf diese Fragen. Es werden der aktuelle Stand der Theorie und einige der gegenwärtig verfolgten experimentellen Ansätze diskutiert.
Effect of starch predrying on the mechanical properties of starch/poly(ε‐caprolactone) composites
Authors: Odusanya O. S. , Manan D. M. A. , Ishiaku U. S. , Azemi B. M. N. 
Published: December 2002

AbstractThis study describes the effect of predrying sago starch, a tropical starch, on the resultant mechanical properties of starch/poly(ε‐caprolactone) composite materials. Sago starch was dried to less than a 1% moisture level in a vacuum oven and dispersed into a polycaprolactone matrix with an internal mixer at 90°C. The mechanical properties of the composite were studied according to methods of the Association for Standards, Testing, and Measurement, whereas the morphology was monitored with scanning electron microscopy. The properties were compared with a composite obtained with native starch containing 12% moisture. The results indicated that predrying the starch led to a lower property drop rate in the composite as the starch content increased. The elastic modulus, tensile strength, and elongation at break were higher than those obtained when starch was used without predrying. The morphology observed during scanning electron microscopy studies was used to explain the observed trends in the mechanical properties. In this way, a relatively simple and cost‐effective method was devised to increase the starch loading in the polycaprolactone matrix to obtain properties within the useful range of mechanical properties. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 87: 877–884, 2003
Synthesis and performance of phenolic polybutadiene‐bound stabilizers
Authors: Podešva Jiří , Kovářová Jana 
Published: December 2002

AbstractAn antioxidant derivative, 6‐sulfanylhexyl 3‐(3,5‐di‐tert‐butyl‐4‐hydroxyphenyl)propanoate, was synthesized and examined. With a radical initiator, the addition of this compound to pending vinyls of OH‐telechelic, low molecular weight liquid polybutadiene (LBH) was performed to various degrees of conversion to form polymeric antioxidants (PAOs) in which the phenolic moiety was separated from the main chain by a spacer [CH2CH2S (CH2)6OCO]. Pure, unstabilized LBH was mixed in several ratios with PAOs, Irganox 1520, and Irganox 1076, and the oxidation stabilities of these mixtures, determined by thermogravimetric analysis and differential scanning calorimetry, were compared. Probably because of their good compatibility with LBH, PAOs exhibited equal or better effectiveness than commercial antioxidants of the Irganox type. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 87: 885–889, 2003
Phenolic resol resin from phenolated corn bran and its characteristics
Authors: Lee Seung‐Hwan 
Published: December 2002

AbstractTo prepare phenolic resol resin, corn bran (CB) was liquefied in the presence of phenol and the liquefied CB was condensed with formaldehyde under alkaline condition. From NMR spectra of phenolated CB and phenolated CB–based resol resin, it was found that phenol was reacted with depolymerized CB components and the phenolated CB was methylolated by condensation with formaldehyde. Molecular weight distribution was divided into a high molecular weight zone, attributed mainly to phenolated CB, and a low molecular weight zone, which was attributed to the condensation reactants of formaldehyde and the unreacted phenol of liquefied CB. When reaction conditions became severe, a high molecular weight zone was increased. Formaldehyde/unreacted phenol of liquefied CB molar ratio most affected the change of a low molecular weight zone. To reduce the viscosity of the phenolated CB–based resol resin, a milder condensation condition was required compared with that for preparing the conventional resol resin. Properties of the resol resin were comparable to those of conventional resol resin for plywood manufacture. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 87: 1365–1370, 2003
Blends of polypropylene resins with a liquid crystalline polymer. I. Isothermal crystallization
Authors: Marinelli A. L. , Bretas R. E. S. 
Published: December 2002

AbstractThe isothermal crystallization kinetics of blends of different polypropylene (PP) resins and a liquid crystalline polymer (LCP) after two different melting conditions (200 and 290°C) were studied by DSC and polarized light optical microscopy. The resins were a homopolymer (hPP), a random copolymer with ethylene (cPP), and a maleic anhydride grafted PP (gPP). The LCP was Vectra A950, a random copolymer made of 75 mol % of 4‐hydroxybenzoic acid and 25 mol % of 2‐hydroxy,6‐naphthoic acid. It was observed that the overall crystallization rates of all the blends after melting at 200°C were higher than those after melting at 290°C. The LCP acted as a nucleating agent for all the PP resins; however, its nucleating effect was stronger for the hPP than for the cPP and gPP resins. After both melting conditions, an increase was observed in the overall crystallization rate of the hPP and gPP resins with the increase in the amount of LCP, but not in the cPP crystallization rate. The fold surface free energy σe of hPP and cPP in the blends decreased, but increased in the gPP blends. Finally, all the PP resins formed transcrystallites on the LCP domain surfaces. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 87: 916–930, 2003
Experimental and theoretical investigation of solubility and diffusion of ethylene in semicrystalline PE at elevated pressures and temperatures
Authors: Kiparissides C. , Dimos V. , Boultouka T. , Anastasiadis A. , Chasiotis A. 
Published: December 2002

AbstractThe solubility and diffusivity of ethylene in semicrystalline polyethylene were experimentally measured using a magnetic suspension microbalance. The sorption measurements were carried out at temperatures up to 80°C and pressures up to 66 atm. The experimentally measured solubilities were found to decrease with increasing temperature and increased with ethylene pressure in good agreement with the predictions of the Sanchez–Lacombe lattice‐fluid model. The diffusivity of ethylene in semicrystalline polyethylene films was estimated from the reduced sorption curves using the half‐time method. The experimentally determined diffusivities were compared with theoretical values predicted by a new molecular hybrid model, which combines the characteristic features of the Pace–Datyner diffusion model with those of the Kulkarni–Stern free‐volume model. The ethylene diffusion coefficient was found to increase with temperature and/or the ethylene‐sorbed concentration. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 87: 953–966, 2003
Polymeric gadolinium chelate–containing magnetic resonance signal‐enhancing coating materials: Synthesis, characterization, and properties
Authors: Guo Jian , Jiang Xiqun , Yang Chang‐Zheng 
Published: December 2002

AbstractThe present investigation deals with studies on novel magnetic resonance signal‐enhancing coating materials. The polyaminocarboxylate complexes of Gd3+ as side chains were prepared by the conjugation of N‐(2‐hydroxyethyl)ethylenediaminetriacetic acid (HEDTA) with poly(styrene‐maleic acid) copolymer (SMA). The complexation of the Gd3+ ion to the conjugates was carried out by adding GdCl3 to the solution of the polymer ligands. The resulting Gd3+‐containing polymer complexes were characterized by GPC, FTIR, NMR, and inductively coupled plasma–Auger electron spectroscopy, which confirmed that HEDTA was covalently attached to SMA and Gd3+‐containing polymer complexes were formed. The PP catheters were coated with the Gd3+‐containing polymer complexes and characterized by XPS. The result confirms that the Gd3+ complexes were coated on the surface of PP catheters. In the relaxation test, the relaxation rates of the water proton in the vicinity of the coated PP catheter surface increase significantly, suggesting that Gd3+‐containing polymer complex coating materials show great MR enhancement of water proton, and potentialities in making catheters used for endovascular interventions or therapy, visible by MRI. The influence of protein on the relaxation rates of coated PP catheter shows that the protein adsorption on the catheter surface influences the enhancement of the MR signal for the coating materials of Gd3+‐containing polymer complex. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 87: 1358–1364, 2003