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JCER (Journal of Chemistry Education Research)
Published by Universitas Negeri Surabaya
ISSN : -     EISSN : 25491644     DOI : -
Core Subject : Science, Education, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Education
JCER (Journal of Chemistry Education Research) adalah jurnal peer-reviewed yang secara periodik terbit 2 (dua) kali setahun pada bulan Juni dan Desember dengan jumlah 5–8 artikel setiap kali terbit. JCER berisi tulisan/artikel hasil pemikiran dan hasil penelitian dalam disiplin ilmu kependidikan dan pembelajaran yang dikaji secara teoritis maupun empiris.
Arjuna Subject : -
Articles 194 Documents
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LEARNING THE SELVO E-MODULE TO STIMULATE CRITICAL THINKING SKILLS STUDENTS Aisyah, Siti; Aisyah, Ratna Sari Siti; Wijayanti, Imas Eva
JCER (Journal of Chemistry Education Research) Vol 3, No 1 (2019): Volume 3 No. 1 June 2019
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v3n1.p29-34

Abstract

Critical thinking skills are needed in chemistry learning, because some chemistry is contextual and in Indonesia is still relatively low. This study aims to stimulate students critical thinking skills on the topic of voltaic cells by developing the Selvo E-module apparatus. Research and development is carried out by adapting and modifying the development model through the preliminary study phase and development with limited trials. The sample in this study were students of class XI MIPA Academic Year 2018/2019. The instruments used were valid and reliable essay test questions and questionnaire sheets. Based on the findings obtained, it can be seen that the application of the Selvo E-module can stimulate students to think critically. It is seen from the average value of students pretest at 20.14 and the average posttest value of students is 85.07.
TRAIN OF ABILITY OF CHEMISTRY TEACHERS TO MAKE OF HIGHER ORDER THINKING SKILLS LEARNING INDICATORS Ismono, Ismono
JCER (Journal of Chemistry Education Research) Vol 4, No 1 (2020): Volume 4 No. 1 June 2020
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v4n1.p43-50

Abstract

Based on the 2013 Curriculum (K-13), the ability to think at a higher level is an ability that must be possessed by every teacher, especially chemistry teachers. This study aims to determine the ability of teachers in compiling indicators of achievement of learning outcomes that require high order thinking skills. This research was conducted on Chemistry teachers who took part in professional education activities of teachers in positions ranging from batch 1 to 4, in 2019. There were 40 teachers who were subject of research in Chemistry. The results obtained are based on the results of testing about 2% of teachers who have been able to compile indicators of learning outcomes based on semi-high thinking (C3). Teachers after attending training above 97% are able to compile indicators of learning outcomes based on higher order thinking (C4). The increase in n-gains increases with a high category
IDENTIFY MISCONCEPTION ON REACTION RATE CONCEPT USING FOUR-TIER MULTIPLE CHOICE (4TMC) DIAGNOSTIC TEST INSTRUMENT Harahap, Ilham Pradana Putra; Novita, Dian
JCER (Journal of Chemistry Education Research) Vol 5, No 1 (2021): Volume 5 No. 1 June 2021
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v5n1.p6-11

Abstract

Abstract. The aims of this study to identify  the profile of students’  conseptions and misconceptions on the concept of reaction rate using a four-tier multiple choice diagnostic test instrument reported in the form of misconception profiles consisting of students' conceptions, students' misconceptions and the causes of misconceptions experienced by students. Based on the results of the study shown (1) the students’ conception profile is as much as 78% understand the concept, 21% misconceptions and 1% do not understand the concept, (2) the profile of student’s misconceptions in each sub-material that misconceptions on sub-material of concentration 16%, temperature 19%, surface area 41% and catalyst 24% and as many as 1 student (3%) including the high misconception category, 22 students (67%) included in the medium misconception category and 10 students (30%) were in the low misconception category. Students’ misconceptions vary in different causes such as; associative thinking 59%, preconceptions 25%, incomplete resoning 13%, humanistic thinking 2% and incorrect intuition 1% .  Keywords: four-tier multiple choice, misconception, reaction rate
THE DEVELOPMENT OF STUDENT WORKSHEET BASED ON CORE (CONNECTING, ORGANIZING, REFLECTING AND EXTENDING) Hidayati, Ririn Eva
JCER (Journal of Chemistry Education Research) Vol 1, No 2 (2017): Volume 1 No. 2 December 2017
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v1n2.p44-47

Abstract

The purpose of this research to determine the feasibility of student worksheet base on CORE(connecting, organizing, reflecting and extending) based on the validation data with the data sourcechemistry teacher and student responses to the data source. The design used was a model Researchand Development (R & D), where there is a stage and potential problems, data collection, design,study, revision, validation, and test student worksheet base on CORE. The results of the study designwas tested in the validation and limited so that it will produce a student worksheet base on CORE inaccordance with the standards of eligibility based on the feasibility of the content or materials,presentation and language. Student worksheet base on CORE that was developed has been validatedby two chemistry lectures and three teachers of chemistry and tested on 34 MAN 1 Kota Malangstudents. Achievement of the feasibility of the student worksheet base on CORE is the percentage ofthe overall aspects of the chemistry teacher assessment to validate that is equal to 98.15%, while thepercentage of student responses obtained at 98.52%.
The Validaty and Practicality of Media for Teaching Atomic Bolls for Class X Students on the Material of Atomic Strubture indang, indang -; Sabekti, Ardi Widhia; Adriani, Nina
JCER (Journal of Chemistry Education Research) Vol 3, No 2 (2019): Volume 3 No. 2 December 2019
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v3n2.p72-77

Abstract

One effort to improve student learning outcomes is to choose teaching media that are appropriate and attract students' attention. The media developed is a three-dimensional ball teaching media.The purpose of this study is to develop three-dimensional atomic ball teaching media, to find out the validity level of three-dimensional atomic ball teaching media, to find out the practicalities of the three-dimensional atomic ball teaching media that have been developed. This research is a type of Research and Development (R & D) research using a 4D development model, namely define, design, develop, and dessiminatebut is limited to the develop stage. The teaching media developed were validated by media experts and material experts. The subject of this research trial was a chemistry teacher to find out the practicality of three-dimensional atomic balls teaching media, and 20 students of East Siantan 1 High School to find out the practicality of three-dimensional atomic balls. The method used to analyze data uses qualitative and quantitative descriptive techniques. The results showed that the validity of three-dimensional atomic ball teaching media for atomic structure material was obtained from the results of a media expert's assessment of 95.19% with very valid criteria, and the material expert's assessment was 81.23% with very valid criteria.The practicality test results were obtained from teacher responses of 92.5% with very practical criteria, and 81.41% student responses with very practical criteria. Based on the results of the study it can be concluded that atomic ball teaching media in three dimensions of atomic structure are worthy of being used as learning media by teachers and students.
THE CORRELATION OF STUDENTS’ INTEREST TO CHARACTER AND THEIR ACHIEVEMENT ON ATOMIC STRUCTURE TOPIC Nirmalasari, Yohanita
JCER (Journal of Chemistry Education Research) Vol 4, No 2 (2020): Volume 4 No. 2 December 2020
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v4n2.p77-82

Abstract

This research aims to know 1) students’ interest, 2) discipline character, 3) students’ achievement, 4) correlation between students’ interest to discipline character and their achievement on atomic structure topic. Sample research were 20 students from class A of SMAK St. Petrus Kewapante which is collected randomly. Teaching method used cooperative learning type number head together (NHT). The technique of data collection was essay test, questionnaires and observation, which analyzed by descriptive quantitative and multiple linear regression. The result showed 1) based on teacher observation data indicated students’ interest as best category (90%) and good category (10). 2) students’ disciplinary as best category (80%) and good category (20%), while 100% as best category based on teacher’s observation data. 3) students’ achievements result showed average value in 51,75 and 80,50 as pre-test and post-test result respectively. 4) there is no correlation between students’ interesting to disciplinary character and their achievement’s in learning chemistry.
IMPROVING MOTIVATION AND LEARNING ACHIEVEMENTS WITH VEE DIAGRAM IN SALT HYDROLYSIS MATERIAL AT SENIOR HIGH SCHOOL SUKOMORO Prasetyowati, Soekristin
JCER (Journal of Chemistry Education Research) Vol 2, No 2 (2018): Volume 2 No. 2 December 2018
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v2n2.p49-57

Abstract

This study aims to describe the use of vee diagrams in an effort to increase motivation and learning achievement in Chemistry class XI.A.1 Sukomoro 1 Senior High School in the material of Salt Hydrolysis. This research is a classroom action research (CAR) which is carried out in two cycles, each cycle consisting of the stages of planning, implementation, observation and reflection. The research is a quasi experiment with a quantitative approach. The research design is Postest-Only Control Design. The object of the study was all students of class XI.IPA.1 of Senior High School Sukomoro in the 2015/2016 school year. Data collection techniques use test methods, and observation methods. The results showed that chemical learning using vee diagrams can increase motivation and learning achievement of Chemistry students in class XI.IPA.1 in Salt Hydrolysis material. In cycle 1 the average cognitive value of 71.05 becomes 80 in cycle 2, learning Chemistry using vee diagrams can be carried out well and can improve student learning motivation especially students gain real experience in everyday life.
IMPLEMENTATION OF COOPERATIVE LEARNING MODEL TYPE NUMBERED HEAD TOGETHER (NHT) TO TRAIN SCIENCE PROCESS SKILL IN ACID BASE MATTER OF GRADE STUDENTS AT SMAN JOGOROTO JOMBANG Rahmawati, Mulia Sri
JCER (Journal of Chemistry Education Research) Vol 3, No 2 (2019): Volume 3 No. 2 December 2019
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v3n2.p42-45

Abstract

The purpose of this research is to describe  the implementation of syntax of the numbered heads together (NHT) type of cooperative learning model and the students science process skills when applying the Numbered Heads Together (NHT) type of cooperative learning model to the acid base material. This research uses One-Group Pretest-Posttest Design. The results of the research are shown as follows: (1) The implementation of the syntax of the NHT types of cooperative learning model obtained a percentage at three meetings in the first phase of 62.5%, 75.0%, 87.0%; the second phase of 75.0%, 87.0%, and 100%; the third phase of 75.0%, 75.0%, and 100%; the fourth phase of 62.5%, 87.0%, and 100%; the fifth phase of 75.0%, 87%, 100%; the sixth phase 50%, 100%, and 100%. (2) Science process skills of students to formulate problems get n-gain values of 0.31 in the medium category, compile hypotheses to get n-gains value off 0.49 in the medium category, collecting data get n-gain values of 1,00 with a high category, analyzing the data get a n-gain value of 0.99 with a high category, and make conclusions to get a n-gain value of 0.92 with a high category.Keywords: numbered head together (NHT), science process skills, acid base.
THE APPLICATION OF MAKE A MATCH METHOD TO IMPROVE STUDY RESULT OF ALKANES, ALKENES, AND ALKYNE Pujiastuti, Rina
JCER (Journal of Chemistry Education Research) Vol 2, No 1 (2018): Volume 2 No. 1 June 2018
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v2n1.p28-36

Abstract

This classroom action researchaimed to know the application of cooperative learning type make a match can improve study result of alkanes, alkenes, and alkyne compounds class XI IA 3 SMA Negeri 1 Puncu, totaling 27 students. This study uses observation instruments and test results, held in 2 cycles. The result of this learning improvement is an increase in student learning outcomes, in the average value: pre cycle 56.3; first cycle68.9; and second cycle 85.6. The involvement of students during the learning process showed improved results, 72.8% in the first cycle to 80.8% in the second cycle. The percentage of students who scored above the KKM increased from 59% in the first cycle to 89% in the second cycle. It can conclude thatthe use of make a match method has been able to improve studyresult in material alkanes, alkenes, and alkyne.
THE DEVELOPMENT OF TEACHING MATERIAL BASED ON CONCEPT MAPS TO TRAIN OF HIGHER ORDER THINKING SKILLS CHEMICAL EDUCATION OF SUDENTS IN THE SUBJECT MATTER OF ISOMER Ismono, Ismono; Suyatno, Suyatno; Tukiran, Tukiran
JCER (Journal of Chemistry Education Research) Vol 1, No 1 (2017): Volume 1 No. 1 June 2017
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v1n1.p12-21

Abstract

This study is a research and development of teaching materials of concept map-based on inquiry strategy with the aim of testing the feasibility of the device through three indicators, namely: (a) the validity, (b) the effectiveness, and (c) the practicality. The subjects used in this study are three experts namely 2 professors and 1 doctor, and 24 students of chemical education class who take college organic chemistry 1.  Research carried out for four weeks. The results showed that the teaching material to developed: (1) to have the validity of the theory with good category; (2) has practicality in learning; (3) has the effectiveness, because  capable of improving learning achievement and higher level thinking skills shown by the increasing score gain in the category of medium  or high.

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