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Journal : Jurnal Riset Pendidikan MIPA

Differences in the Application of STAD and NHT Cooperative Learning Models on Mathematics Learning Outcomes Assessed from Self-Efficacy Students of State Junior High School 18 Palu Rahmayanti, Henita; Ismaimuza, Dasa; Rochaminah, Sutji
Jurnal Riset Pendidikan MIPA Vol. 2 No. 1 (2018)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j25490192.2018.v2.i1.pp15-26

Abstract

This research was intended to get a clear description of the difference learning result in relation to student self-efficacy by applying the cooperative learning model types of student teams achievement division and numbered head together. The research design was a quantitative approach. The sample of this research was students of SMP Negeri 18 Palu, Grade VIIA and VIIB as the first experiment classes and the second experiment classes were VIID  and VIIE. This research applied an experimental method with a factorial design was 2 x 3. The research instruments administered to collect data, questionnaire of self-efficacy, and test for the students’ results of learning. Data analyzed used test Anova two lines and test t-Scheffe. The findings of the research were (1) there was a difference of students’ result in learning mathematic by applying student teams achievement division (STAD) and numbered head together (NHT); (2) there was a difference of students’ result in learning mathematics to students who have high Self-efficacy, middle self-efficacy, and low Self-efficacy; (3) there was no interaction between learning cooperative model with self-efficacy in relation with the result of students in learning mathematics; (4) there was a difference of students’ result in learning mathematics by applying student teams achievement division (STAD) and numbered head together (NHT), especially to high self-efficacy, middle self-efficacy, as well as low self-efficacy.
Critical Thinking Profile of Junior High School Class VIII Students in Solving the Pythagoras Theorem Problem in Review of Spatial Ability Nurfadila, Nurfadila; Rochaminah, Sutji; Nurhayadi, Nurhayadi
Jurnal Riset Pendidikan MIPA Vol. 4 No. 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j25490192.2020.v4.i1.pp12-24

Abstract

The purpose of this research is to obtain a description of the critical thinking profile of Junior High School Class VIII students in solving the Pythagoras theorem problem in review of spatial ability. This research uses qualitative methods based on the category of critical thinking according to Jacob and Sam. The results of research showed a critical thinking profile of high spatial ability subject (MC) on the categories: (1) Clarification, namely formulating problems and information accurately and clearly, as well as describing rectangles, (2) Assessment, namely choosing and using the formula of another subject, one right triangle to facilitate problem solving, (3) Inference, which is making precise and clear conclusions based on the information obtained, (4) Strategies, namely predicting answers using triple Pythagoras and proposing other alternatives by choosing other right triangle images and making another formula. The critical thinking profile of moderate spatial ability subject (BT) on the categories: (1) Clarification, namely formulating problems and information precisely and clearly, and describing the square, (2) Assessment, which is choosing a physical triangle elbows to facilitate problem solving, using other lesson formulas, but the formula used is not correct, (3) Inference, which is making inaccurate conclusions because it is not accurate, (4) strategies, namely evaluating solutions that are lacking right and have no other way of solving problems. The critical thinking profile of low spatial ability subject (AR) on the categories: (1) clarification, which is to formulate problems and information clearly but less precisely by writing and reciting the answer and no rectangular images known,(2) Assessment, which is choosing and using an inappropriate formula with inappropriate reasons, (3) Inference (inference), which is making inaccurate conclusions, (4) Strategies, namely unable to propose or predict or evaluate the answer and also have no other way of solving problems.
Creative Thinking Profile of Senior High School Class X Students in Mathematics Problem-Solving in Reviewed of Adversity Quotient Rafiqa, Shara; Rochaminah, Sutji; Rizal, Muh.
Jurnal Riset Pendidikan MIPA Vol. 3 No. 1 (2019)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j25490192.2019.v3.i1.pp47-55

Abstract

This study aims to obtain a description of the profile of creative thinking of class X high school students in solving mathematical problems in terms of Adversity Quotient (AQ). The subjects of this study were high school students of class X who had AQ with quitter type (SQT), camper (SCP), and climber (SCB). Data collection used test methods, methods of thinking, interviews, and observation. The results of this study are: a) SQT showes the existence of fluency and flexibility in the answer, namely by writing different ways and there were ways with the same pattern. The ways that he used were new ways for her which means that SQT has a novelty in solving problems. b) SCP also showed fluency, flexibility and novelty. The two ways he given were different from the other subjects, there were answers with the same pattern, and the method used was an unusual method. c) SCB showed excellent fluency and flexibility through the three ways he used it to solve problems. All the ways that he used were new ways for her, and he is willing to solve any problems after the problem.