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Improving Students Science Process and Critical Thinking Skills Using Semi-Research Patterns Practicum 利用半研究模式提高学生的科学过程和批判性思维能力
Pub Date : 2021-06-30 DOI: 10.15575/jtk.v6i1.12495
I. Jahro, A. Darmana, A. Sutiani
The old pattern of practicum implementation has less impact on increasing students’ science process skills and critical thinking. Therefore, implementing practicum with a semi-research pattern has been carried out by involving the lecturer and laboratory assistant. The subjects of this research were 40 students in Universitas Negeri Medan. The method is classroom action research consisting of two cycles. Each cycle includes planning, action, reflection, and evaluation. Instrument’s research is the observation sheet and essay test. The results of descriptive data analysis show that implementing practicum with a semi-research pattern can improve students’ science process critical thinking skills, especially in planning experiments by 88.3% and critical thinking skills in evaluating by 82.3%.  
旧的实习实施模式对提高学生的科学过程技能和批判性思维的影响较小。因此,以讲师和实验室助理参与的半研究型实习模式实施实习。这项研究的对象是尼日利亚棉兰大学的40名学生。方法是课堂行动研究,分为两个周期。每个周期包括计划、行动、反思和评估。工具的研究是观察单和论文测试。描述性数据分析结果表明,实施半研究型实习能提高学生的科学过程批判性思维能力,特别是在计划实验方面提高了88.3%,在评价方面提高了82.3%。
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引用次数: 0
Development of Guided Inquiry-Based Worksheet as Teaching Materials on Elements, Compounds, and Periodic Table 元素、化合物和元素周期表教学材料中引导探究性工作表的开发
Pub Date : 2021-06-30 DOI: 10.15575/jtk.v6i1.10377
Rahmi Mudia Alti
The chemistry lecture at Universitas Nurtanio needs teaching materials innovation to increase students' activity and learning motivation. This research aims to develop worksheets on the material of elements, compounds, and the periodic table and determine the validity and practicality. The stages carried out in this study are the define, design, and development stages. The validity and practicality data analysis used the moment kappa (k) formula. The average validity and practicality are 0.87 and 0.77, respectively, with very high criteria. The validity and practical result indicate that a guided inquiry-based worksheet can be applied as teaching materials on elements, compounds, and the periodic table in lectures.
努尔塔尼奥大学化学课需要对教材进行创新,以提高学生的学习积极性和主动性。本研究旨在开发元素、化合物和元素周期表材料的工作表,并确定其有效性和实用性。在本研究中进行的阶段是定义,设计和开发阶段。采用矩kappa (k)公式对数据进行有效性和实用性分析。平均效度和实用性分别为0.87和0.77,具有很高的标准。有效性和实践结果表明,引导式探究式工作表可以作为元素、化合物和元素周期表的教学材料。
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引用次数: 0
IMPLEMENTATION OF PROJECT-BASED LEARNING THROUGH STEM APPROACH TO IMPROVE STUDENTS' SCIENCE PROCESS SKILLS AND LEARNING OUTCOMES 通过stem方法实施项目式学习,提高学生的科学过程技能和学习成果
Pub Date : 2020-12-31 DOI: 10.15575/jtk.v5i2.8370
Helvy Aprianty, A. Gani, A. T. Pada
This study aimed to determine PjBL-STEM implementations effect to improve science process skills and students’ learning outcomes on the material of substances and their characteristics. The type of research used was a quasі-experiment with a pre-test post-test control group design. The research subjects were students of class VII Darul Ihsan Islamic Junior High School Aceh Besar, which consisted of eight classes. The sample group was determined by purposive sampling technique so that two classes were obtained as the research sample, namely class VII-G as an experimental class and VII-H as a control class. The results showed that the implementation of the PjBL-STEM model could increase students’ science process skills. The average students’ science process skills in the control and experimental classes were 53 and 55 with sufficient categories. However, after implementing the Discovery Learning model in the control class and PjBL-STEM in the experimental class, the students' science process skills' average score increased to 76 with good categories and 86 with excellent categories. The PjBL-STEM model was also able to improve students’ learning outcomes. Based on the results of the t-test analysis with a significant score of 0.05, it showed that the post-test scores in both classes were obtained t-count (2.011) > t-table (1.666), so it was concluded that there was a significant difference between the two classes. N-gain testing showed an increase in students’ learning outcomes between the control and experimental classes with scores of 74 and 79. This study concluded that the PjBL-STEM model could improve science process skills and students’ learning outcomes.
本研究旨在确定PjBL-STEM实施对提高学生对物质材料及其特征的科学过程技能和学习成果的效果。使用的研究类型是一个准实验,具有前测后测对照组设计。研究对象为亚齐Besar市Darul Ihsan伊斯兰初中七年级的学生,共8个班。采用目的抽样技术确定样本组,得到两类作为研究样本,即VII-G类为实验班,VII-H类为对照班。结果表明,实施PjBL-STEM模型可以提高学生的科学过程技能。控制班和实验班学生的科学过程技能平均得分分别为53分和55分,类别齐全。然而,在控制班实施发现学习模式,在实验班实施PjBL-STEM模式后,学生的科学过程技能平均得分提高到76分,类别为良好,类别为优秀,类别为86分。PjBL-STEM模式也能够提高学生的学习成果。根据显著性分数为0.05的t检验分析结果显示,两类的检验后得分均为t-count (2.011) > t-table(1.666),因此得出两类之间存在显著性差异的结论。n增益测试显示,74分和79分的控制班和实验班学生的学习成绩有所提高。本研究认为PjBL-STEM模式可以提高学生的科学过程技能和学习成果。
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引用次数: 3
STUDENTS’ METACOGNITIVE AND CRITICAL THINKING SKILLS IN THERMOCHEMISTRY 学生热化学的元认知及批判性思维能力
Pub Date : 2020-12-31 DOI: 10.15575/jtk.v5i2.9616
S. Sudirman, Y. Yusnaeni
Metacognitive is the ability to control cognitive aspects, while critical thinking is the ability to think rationally and clearly in understanding the logical connections between various ideas. Both are necessary in 21st -century education. This study aims to analyze students' metacognitive and their critical thinking skills in thermochemistry material and the correlation of metacognitive with critical thinking. The population was the third-grade private high school students consisted of four schools. Each school was randomly selected by one class as a sample, with a total sample of 150 students. Metacognitive skills instrument is an integrated essay test of metacognitive skills and critical thinking. The results showed that most of the students' metacognitive skills in the developing category (51.67%), most of the students' critical thinking skills in the sufficient category (65.33%), the students' metacognitive and critical thinking skill are positively correlated. The contribution of metacognitive abilities to critical thinking is at 72.0%. The results indicate that students' metacognitive and critical thinking skills need to be empowered to improving the quality of learning.
元认知是控制认知方面的能力,而批判性思维是理性思考和清晰理解各种想法之间逻辑联系的能力。在21世纪的教育中,两者都是必要的。本研究旨在分析学生在热化学材料学习中的元认知和批判性思维能力,以及元认知与批判性思维的关系。人口是由四所学校组成的私立高中三年级学生。每所学校随机抽取一个班级作为样本,样本总数为150名学生。元认知技能测试是一项综合元认知技能和批判性思维的写作测试。结果表明,大部分学生的元认知技能处于发展性范畴(51.67%),大部分学生的批判性思维技能处于充分性范畴(65.33%),学生的元认知与批判性思维技能呈正相关。元认知能力对批判性思维的贡献为72.0%。结果表明,学生的元认知和批判性思维技能需要增强,以提高学习质量。
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引用次数: 0
EFFECTIVENESS OF INQUIRY-BASED LEARNING TOWARDS MASTERING THE CONCEPT OF UNSATURATED HYDROCARBONS IN UNDERGRADUATE STUDENTS 探究性学习对大学生掌握不饱和烃概念的有效性
Pub Date : 2020-12-31 DOI: 10.15575/jtk.v5i2.9078
Helda Lupita Septyastuti, S. Sutrisno, H. Widarti
Inquiry learning can be applied to chemistry learning at any level of education. This is according to the characteristics of chemistry, which is based on empirical evidence for real-world study. One of the topics studied in Organic Chemistry Lecture is an unsaturated hydrocarbon that discussed the structure, nomenclature, properties, manufacture, and usability. There are various models or strategies of inquiry for chemistry learning, especially guided inquiry. One of the guided inquiry-based chemistry learning strategy innovations is the OE 3 R (Orientation - Exploration - Explanation - Elaboration - Reflection) strategy for various education levels, high schools, and universities. This research aimed to determine the effectiveness of guided inquiry-based learning with OE 3 R strategy in undergraduate students' conceptual understanding of the Unsaturated Hydrocarbon concept. The research using a Quasi Experiment with a pretest-posttest control group design. Conceptual understanding with OE 3 R Strategy proven to be better than Expository Strategy. This can be seen from achieving minimum completeness criteria, which is 92.3% for OE 3 R and 72.2% for expository. It can also be seen from the N-gain value for the OE 3 R Strategy (0.43), which is significantly better than the Expository Strategy (0.27).
探究性学习可以应用于任何教育阶段的化学学习。这是根据化学的特点,它是基于现实世界研究的经验证据。有机化学讲座的主题之一是不饱和烃,讨论了其结构、命名、性质、制造和可用性。化学学习的探究模式或策略多种多样,尤其是指导性探究。导向性探究性化学学习策略创新之一是面向不同教育层次、高中和大学的OE 3r(定向-探索-解释-阐述-反思)策略。本研究旨在探讨以OE 3r策略为导向的探究式学习对大学生不饱和烃概念理解的有效性。本研究采用准实验和前测后测对照组设计。使用OE 3r策略的概念理解被证明比说明性策略更好。这可以从达到最低完全性标准中看出,OE 3r为92.3%,expository为72.2%。OE 3r策略的n增益值(0.43)也明显优于说明文策略(0.27)。
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引用次数: 0
THE DEVELOPMENT OF ISLAMIC INTEGRATED BIOCHEMICAL TEACHING MATERIALS USING FOUR STEPS TEACHING METHOD 运用四步教学法开发伊斯兰生物化学综合教材
Pub Date : 2020-12-31 DOI: 10.15575/jtk.v5i2.9316
S. Suryaningsih, B. Muslim, V. Fitriani
Islamic-integrated learning is one of the implementations in realizing UIN Syarif Hidayatullah Jakarta’s vision. So, the teaching materials which are integrated with Islamic features are needed. This research aims to develop a biochemistry teaching material in the form of an Islamic-integrated enrichment book specifically on the theory of amino acid and protein that is feasible to be used. The method used in this study is the research and development method through the Four Steps Teaching Material Development (4S-TMD), which consists of selection, structurization, characterization, and reduction. The research data are obtained from the validation of Islamic-integrated chemical study by expert lecturers. The validation result was analyzed using the Guttman Scale, a comprehensive test of concept in the form of the main idea writing test on 60 students of 2016 generation of chemistry education were analyzed by giving a score of 1 for each correct answer, and a score of 0 for wrong answers, and the book's feasibility test in terms of language, presentation, performance, and graphic validated by media expert lecturers, and were analyzed using the Rating Scale. The validation of the Islamic-integrated chemistry shows that all concepts are powerful and worthy of being presented, with the percentage of 91.4%. The comprehensive test of concept shows that all of the concepts have a high level of comprehension. The percentage of students’ comprehensions of all concepts amounted to 92.7%, and all of the concepts are included in the easy category. Therefore there is no need for a reduction phase. Based on the results of the feasibility test of the book, it is obtained the average percentage of 85.5%, which indicates that the Islamic-integrated enrichment book of amino acid and protein material is suitable to be used in the learning of Islamic-integrated biochemistry course to increase student knowledge on biochemical concepts through Islamic aspects which can increase the faith to Allah SWT.
伊斯兰综合学习是实现联合国秘书长希达亚图拉雅加达愿景的实施之一。因此,需要具有伊斯兰教特色的教材。本研究的目的是开发一种可行的、专门介绍氨基酸和蛋白质理论的伊斯兰教综合富集书形式的生物化学教材。本研究采用的方法是通过教材开发四步骤(4S-TMD)的研究开发方法,即选择、结构化、表征和还原。研究数据来自专家讲师对伊斯兰综合化学研究的验证。验证结果采用古特曼量表(Guttman Scale)进行分析,对60名2016代化学教育学生进行主题思想写作测试形式的概念综合测试,正确答案为1分,错误答案为0分,并对该书在语言、呈现、表现、图形方面的可行性测试进行分析,经媒体专家讲师验证,使用评定量表进行分析。伊斯兰综合化学的验证表明,所有概念都是强大的,值得提出的,百分比为91.4%。概念综合测试表明,所有的概念都有较高的理解水平。学生对所有概念的理解百分比为92.7%,所有概念都包含在简单类别中。因此不需要还原阶段。根据该书的可行性测试结果,获得的平均百分比为85.5%,这表明伊斯兰整合氨基酸和蛋白质物质富集书适合在伊斯兰整合生物化学课程的学习中使用,通过伊斯兰方面增加学生对生物化学概念的认识,从而增加对安拉SWT的信仰。
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引用次数: 2
USE OF 3D-VISUALIZATION MEDIA IN NUCLEOPHILIC SUBSTITUTION REACTION MATERIAL TO IMPROVE STUDENTS' CONCEPT MASTERY 在亲核取代反应材料中使用三维可视化介质,提高学生对概念的掌握
Pub Date : 2020-12-31 DOI: 10.15575/jtk.v5i2.9820
D. N. Adiska, L. Liliasari, I. Musthapa
Development of technology is increasingly rapid today, including in the field of education. Technological developments are sometimes not used properly in the learning process, so that students not actively studying in class. The purpose of this study was to determine the effect of using 3D visualization media on nucleophilic substitution reaction material to improve students' concept mastery. Research method used was a quasi-experiment with pre-test and post-test design, involved 68 students from two different universities in West Java. The test instrument to measure concept mastery consisted of nine reasoned multiple-choice questions. The results showed that the use of 3D visualization media in nucleophilic substitution reaction materials can improve students' mastery of concepts. Based on the N-gain calculation results, University A was better than University B except for the indicators of determining that obtained a medium category and sorting that obtained a low category. There were four indicators of concept mastery used, including determining, analyzing, linking, and sorting indicators.
今天,科技的发展越来越迅速,包括在教育领域。科技发展有时在学习过程中使用不当,使学生在课堂上学习不积极。本研究的目的是确定使用三维可视化介质对亲核取代反应材料的影响,以提高学生的概念掌握。研究方法为准实验,采用前测后测设计,涉及来自西爪哇两所不同大学的68名学生。测量概念掌握程度的测试工具包括九个推理选择题。结果表明,在亲核取代反应材料中使用三维可视化介质可以提高学生对概念的掌握。从n增益计算结果来看,除了判定获得中等类别和排序获得低类别的指标外,A大学优于B大学。有四个指标的概念掌握使用,包括确定,分析,链接和排序指标。
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引用次数: 1
PENINGKATAN KEMAMPUAN BERFIKIR KRITIS MELALUI PENERAPAN MODEL DISCOVERY LEARNING BERBANTUAN EDMODO
Pub Date : 2020-06-30 DOI: 10.15575/jtk.v5i1.5406
Nova Cola, M. Nuswowati
This study aimed to determine the improvement of students' critical thinking abilities through the application of edmodo's assisted discovery learning model. The study was conducted on students of class XI MIPA 2 high school 2018/2019. This study used a true experimental design in the form of a pre-test and post-test control group design. Sampling was done by a cluster random sampling technique. Data collection used reasoned multiple choice test instruments and questionnaires. The result of test analysis of students' critical thinking skills showed that the average post-test value of the experimental class was lower than the control class. The N-gain test result showed that the magnitude of the increasing of the experimental class was 0.43 lower than the control class which is equal to 0.57. The application of edmodo assisted discovery learning model had a positive effect on students' critical thinking abilities with a low category as indicated by the correlation coefficient of 0.37 and the magnitude of the influence given is 14.08%. The conclusion of this study is the application of edmodo assisted discovery learning model can improve students' critical thinking skills. Furthermore, students agree to use edmodo's assisted discovery learning model for acid base learning.
本研究旨在通过应用edmodo的辅助发现学习模式来确定学生批判性思维能力的提高。本研究采用真正的实验设计,采用前测和后测对照设计。采用整群随机抽样技术进行抽样。数据收集使用合理的选择题测试工具和问卷。学生批判性思维能力的测试分析结果显示,实验班的平均后测值低于对照组。n增益测试结果表明,实验组的增幅比对照组低0.43,对照组的增幅为0.57。edmodo辅助发现学习模式的应用对学生批判性思维能力有正向影响,相关系数为0.37,影响幅度为14.08%,类别较低。本研究的结论是运用edmodo辅助发现学习模式可以提高学生的批判性思维能力。此外,学生同意使用edmodo的辅助发现学习模型进行酸碱学习。
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引用次数: 0
ANALYSIS OF STUDENTS MENTAL MODELS THROUGH POE (PREDICT OBSERVE EXPLAIN) METHOD IN SALT HYDROLISIS MATERIAL 用预测观察解释法分析学生在盐水解材料中的心理模型
Pub Date : 2020-06-30 DOI: 10.15575/jtk.v5i1.5681
Kiswandari Kiswandari, A. Ridwan
This study aimed to analyze students mental models in salt hydrolysis topic using POE method (Predict Observe Explain) to determine students understanding of salt hydrolysis topic. The research method used  descriptive qualitative approach. Data collection used diagnostic tests of mental models, observation, reflective journals and semi-structured interviews on samples of respondents of students class XI.  The result showed that 3.88% of respondents had a Specific Misconceptions (SM) mental model, 7.9% Partially Correct (PC) and 88.146% Scientifically Correct (SC). It can be concluded that the majority of respondents have scientifically correct mental models and show themes which appeared at each macroscopic, symbolic and microscopic.
本研究旨在运用POE (Predict, Observe, Explain)方法分析学生对盐水解主题的心理模型,以确定学生对盐水解主题的理解。研究方法采用描述性定性方法。数据收集使用了心理模型诊断测试、观察、反思性日志和对十一班学生答卷样本的半结构化访谈。结果表明,3.88%的被调查者存在特定误解(SM)心理模型,7.9%的被调查者存在部分正确(PC)心理模型,88.146%的被调查者存在科学正确(SC)心理模型。可以得出结论,大多数被调查者具有科学正确的心理模型,并表现出在宏观,符号和微观各方面出现的主题。
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引用次数: 1
PENGARUH MODEL INKUIRI TERBIMBING BERBASIS BLENDED LEARNING TERHADAP KEMAMPUAN KOGNITIF-PSIKOMOTOR PADA MATERI LARUTAN PENYANGGA 基于混合学习的孵化器模型对缓冲器物质认知运动能力的影响
Pub Date : 2019-12-31 DOI: 10.15575/jtk.v4i2.5404
Sri Wardani, Laksmita Firdaus
Penemuan konsep materi pembelajaran secara mandiri dapat mempengaruhi kemampuan kognitif dan psikomotor peserta didik. Hasil observasi di SMAN 1 Karangtengah Demak menunjukkan bahwa pembelajaran masih berpusat pada guru sehingga kemampuan peserta didik dalam menemukan sendiri konsep materi masih kurang, hal ini menyebabkan rendahnya kemampuan kognitif dan psikomotor. Untuk menghindari hal tersebut diperlukan model pembelajaran yang sesuai yaitu inkuiri terbimbing. Guru belum menerapkan pembalajaran berbasis internet yang dapat membentuk sikap mandiri pada peserta didik, sehingga diperlukan pembelajaran berbasis internet seperti blended learning . Penelitian ini bertujuan untuk mengetahui pengaruh penerapan inkuiri terbimbing berbasis blended learning terhadap kemampuan kognitif dan psikomotor peserta didik kelas XI MIPA SMAN 1 Karangtengah Kabupaten Demak. Metode penelitian yang digunakan adalah eksperimen dengan pengambilan sampel menggunakan teknik cluster random sampling , diperoleh kelas XI MIPA 1 sebagai kelas eksperimen dan XI MIPA 4 sebagai kelas kontrol. Pengambilan data yang dilakukan dengan metode tes dan observasi. Analisis data awal menunjukkan kedua kelas berdistribusi normal dan memiliki varians sama. Rata-rata hasil tes kemampuan kognitif peserta didik kelas eksperimen sebesar 71,14 dan kelas kontrol sebesar 67,35. Rata-rata ketercapaian ranah psikomotor berdasarkan lembar observasi praktikum kelas eksperimen sebesar 79,9% dan kelas kontrol 74,43%. Besar pengaruh inkuiri terbimbing berbasis blended learning terhadap kemampuan kognitif dan psikomotor melalui uji koefisien determinasi sebesar 10,62%. Berdasarkan hasil penelitian dapat disimpulkan bahwa penerapan model inkuiri terbimbing berbasis blended learning berpengaruh terhadap kemampuan kognitif dan psikomotor peserta didik kelas XI pada materi larutan penyangga.
自学材料概念的发现会影响参与者的认知和心理运动能力。《心灵感应1》的观察表明,学习仍以教师为中心,学习者在发现自己的物质概念方面的能力较低,这导致认知和心理运动能力较低。为了避免这种情况,需要指导的学习模式。教师没有应用能够在学习者中形成自我意识的基于互联网的学习,因此需要以互联网为基础的学习,如混合学习。使用的研究方法是采用随机抽样技术提取样本的实验,将西MIPA 1级作为实验类,西MIPA 4作为控制类获得。通过测试和观察方法进行的数据检索。初步的数据分析表明,这两个类是正常的分布和有相同的变量。实验班学习者的认知能力测试平均成绩为71.14,控制等级为67.35。平均基于实验课堂实践观察表79.9%和控制表74.43%的心理运动领域进展。基于混合学习的混合学习对认知和心理运动能力的巨大影响,通过1062%的密度系数测试。
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引用次数: 3
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JTK Jurnal Tadris Kimiya
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