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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 200 Documents
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IDENTIFY MISCONCEPTION ON REACTION RATE CONCEPT USING FOUR-TIER MULTIPLE CHOICE (4TMC) DIAGNOSTIC TEST INSTRUMENT Ilham Pradana Putra Harahap; Dian Novita
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 students 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
IMPLEMENTATION OF COOPERATIVE LEARNING MODEL NHT TO TRAIN STUDENTS COMMUNICATION SKILL IN ACID BASE MATTER lelly puspitasari; Muchlis Muchlis
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.p12-21

Abstract

The aim of this research is to description the implementation of cooperative learning model NHT, students activity and practice communication skills through material of acid base. The research design used is œOne Shoot Case Study. Research data obtained include (1) Implementation of cooperative learning model NHT to get a score at meetings 1, 2, and 3 of 3,86, 3,90, and 3,95 with very good category. (2) The percentage of students activities that are relevant is greater than the of activities that are irrelevant. (3) Communication skills of students who are trained obtain sufficient criteria on the quantity of questions with a percentage for three consecutive meetings of 25%; 44,44%; and 55,56% and the quantity of opinion students get a good assessment criteria of 41,67%; 61,11%; and 75%. On the quality of asking students get an excellent title for three consecutive meetings 8,33%; 11,11%; and 25% and the quality of opinion students of 5,56%; 25%; and 27,78%.
IMPLEMENTATION OF COOPERATIVE LEARNING MODEL TYPE OF TPS BASED SAVI TO COMPLETE STUDENT LEARNING OUTCOME iva septy wulandari; Muchlis Muchlis
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.p71-76

Abstract

This study aims to describe the implementation, activities, learning outcomes, and student responses after the application of SAVI type TPS-based cooperative learning models of electrolyte and non-electrolyte solution materials. This study uses "one group pretest-posttest design". The implementation of SAVI-based TPS type cooperative learning model with an average value of 3.31 and 3.78 in the excellent category. Somatic student activity at 20.53% at the first meeting and 17.83% at the second meeting, intellectual students at 12.35% at the first meeting and 11.7% at the second meeting, auditory students at 11.7% at the first meeting and 11, 7% the second meeting, visual students by 11.58% at the first meeting and 10.88% the second meeting. This shows that students have a relevant percentage of time in accordance with the learning style with the type of cooperative learning model TPS. Complete learning outcomes of all students by 94% at the first meeting and 97% at the second meeting. Student responses after SAVI-based TPS type cooperative learning were very good with a percentage of positive responses of 98.61%.  Keywords: Cooperative, TPS, SAVI, learning outcomes, response.
VALIDATION OF THERMOCHEMISTRY SUPPLEMENT BOOK BASED PROBLEM SOLVING TO TRAIN STUDENTS METACOGNITIVE SKILLS Nuning Sabila Khoiroh; Utiya Azizah
JCER (Journal of Chemistry Education Research) Vol. 5 No. 2 (2021): Volume 5 No. 2 December 2021
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v5n2.p41-51

Abstract

This research aims to know validity of thermochemistry suplement book based problem solving to train students metacognitive skills includes the content and construct. Content validity includes the suitability of the material and questions. Construct validity includes presentation and readability techniques. Problem solving model has 4 steps, that are understanding the problem, devising a plan, carrying out the plan, and lock back. Metacognitive skills consist of 3 components, namely planning, monitoring, and evaluating. The type of research used is the Research and Development (R&D) from Sugiyono. The supplement book was assessed by 3 experts in the field of chemical education using a validation instrument. The results showed that a chemical supplement book based on problem solving to train students' metacognitive skills on thermochemical material was very good with a score of 91.6% in content validation and 84.9% in construct validation.
THE CORRELATION OF STUDENTS INTEREST TO CHARACTER AND THEIR ACHIEVEMENT ON ATOMIC STRUCTURE TOPIC Yohanita Nirmalasari
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 teachers 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 achievements in learning chemistry.
IMPLEMENTATION OF INQUIRY LEARNING MODELS INTEGRATED WITH NESTED TO INCREASE STUDENTS CRITICAL THINKING SKILLS ON ELECTROLYTE AND NON-ELECTROLYTE SOLUTION MATERIALS Anis Fadlilah; Harun Nasrudin
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.p83-92

Abstract

This research purpose to describe the implementation of inquiry learning integrated by Nested, students' activities, critical thinking skills and student learning outcomes after the implementation of learning models on electrolyte and non-electrolyte solution materials. The research design used is "one group pre-test post-test design". The method used in this study is observation and test methods. The results of the study indicate the application of learning gained an average percentage at meeting 1 of 93.75% and at the second meeting of 97.91% with very good criteria and supported with relevant student activity data, students' critical thinking skills increased with the average N-gain on the interpretation indicator is 0.78; analysis indicators of 0.83; indicator of inference of 0.74; and evaluation indicators by 0.84 with high criteria. In addition, student learning outcomes also reached classical completeness of 88.57%.
TRAINING THE CRITICAL THINKING SKILLS OF STUDENTS USING THE PROBLEM SOLVING LEARNING MODEL IN CHEMICAL EQUILIBRIUM melysa pramitha rosa; Utiya Azizah
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.p33-42

Abstract

 The purpose of its research for  train students' critical thinking with problem solving learning models of equilibrium theory. The research was conducted in XI MIPA 1 class at SMA Negeri 14 Surabaya using the One Group Pretest Posttest Design method. The results obtained in this study were the teacher's implementation of the syntax in accordance with the problem solving learning model obtained by a percentage of ≥61% at each meeting. The student's relevant activity reaches a percentage of 82.78% for meeting 1; 84.44% for meeting 2, and 85% for meeting 3. At the time of the critical assessment of the 4 indicators drilled namely, interpretation, analysis, inference, and increasing understanding of 93.49% respectively; 82.87%; 88.90%; 85.42%. On the learning outcomes of students in the realm of knowledge by 92%. This shows the application of effective problem solving learning models in learning chemical equilibrium in training critical thinking skills. 
DEVELOPMENT OF TEACHING MATERIALS FOR HANDLING HAZARDOUS AND NON HAZARDOUS WASTE BASED ON SETS Millaturosita Zeni Hidayana; Rusmini Rusmini
JCER (Journal of Chemistry Education Research) Vol. 5 No. 2 (2021): Volume 5 No. 2 December 2021
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v5n2.p51-60

Abstract

Abstract. The purpose of this study is to obtain the feasibility of teaching materials that handle hazardous and non-hazardous waste based on Science, Environment, Technology, and Society (SETS). The research design used refers to the 4-D development model (four-D Models) recommended by Thiagarajan which consists of four stages, namely define, design, develop, and disseminate, which is limited to the development stage. The samples in this study were 34 students of class X 2 SMK Negeri 5 Surabaya. The results showed that the validity of teaching materials obtained a percentage of 83,27% with a very valid category, observation of students 97.62% was very practical, the test of student learning outcomes increased with the acquisition of N-Gain of 0.7 in the category high, as many as 100% of students achieve mastery learning and the questionnaire responses of students as much as 90.59% are very practical. This shows that SETS-based teaching materials on hazardous and non-hazardous waste handling materials for vocational high school students are proper to be used in the learning process.
IMPLEMENTATION OF PROBLEM BASED LEARNING TO TRAIN CRITICAL THINKING SKILLS STUDENTS AT BASIC ACID MATERIALS Reny Yulfiani; Muchlis Muchlis
JCER (Journal of Chemistry Education Research) Vol. 5 No. 2 (2021): Volume 5 No. 2 December 2021
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v5n2.p61-69

Abstract

Abstract. This research to describe implementation of Problem Based Learning models, activities students, and critical thinking skills (CTS) in learning using PBL models on acid-base material. The design used is One Group Pretest Posttest Design with 32 subjects.  This study resulted is: (1) implementation of learning using PBL model  get the results of the average value sequentially at meetings one and two of 3.60 and 3.76, with very good criteria (2) Students perform relevant activities  meaning of students have practiced CTS. The relevant activities of students in sequence at meetings one and two of 98.75% and 97.7%. (3) CTS learners experienced an increase, overall the pretest and posttest scores of students received a percentage of 90.63% students in high category and 9.38% in medium category. The percentage of component of interpretation, inference, and analysis in high category are as follows 78.13%; 81.25%; 90.63%, and the medium category 21.88%; 18.75%; 9.28%.
Development of Red and Ox Game for Android Mobile Phone as Learning Media for Balancing Redox Equations Ryan Hendra Cahyadhi; Achmad Lutfi
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.p22-31

Abstract

Aim of this study was to discover the egibility of Red and Ox Game for android mobile phone as learning media for Balancing Redox Equations. This game egibility based on 3 criteria among them are validity, practicalitym and effectiveness. This study using Research and Development methods which consist of 3 main step (early study, development and teoritical validity, and game test itself). Result of this game validity is 88,63% from 3 different validator. Practically result for this game based on students responses is 87,71% with 84% of it student completed the whole game level. And effectiveness from this game result that 96% of this class surpassed standard score and paired t-test showed that after using this game there is difference between pretest and posttest which mean that this game is effective. Based on those 3 criteria, this game is proper as learning media for Balancing Redox Equations.

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