Problem-solving skills are the needs of students in the 21st century so they are deemed necessary to have. One of the 2013 curriculum imposed by the government focuses students on problem-solving skills. The purpose of this study was to identify the influence of using problem-based Student worksheets on improving problem-solving skills and student learning outcomes on business and energy materials. This study uses a quantitative approach with a quasi-experimental research design. student worksheet implementation design uses One Group Pretest-Posttest Design. The instruments used in this study were problem-based students’ worksheets, problem-solving skills tests, and learning outcomes tests. The problem-solving skills of students were analyzed using the N-Gain test to see the effect before and after the problem-based student worksheet was implemented. The results of the student worksheet feasibility test obtained a percentage of 98.30% indicating that the student worksheet problem-based to improve problem-solving skills and learning outcomes is very feasible to use. The results of the implementation of problem-based student worksheets can improve students' problem-solving skills which are marked by an increase in the pretest-posttest value based on the results of the experimental class N-gain test of 0.93 in the high category, the control class N-gain value of 0.60 in the medium category. The learning outcomes test showed an increase in the N-gain value for the experimental class by 0.71 in the high category, the N-gain value for the control class by 0.50 in the medium category
The purpose of the study was to determine the impact of using a problem-based Student Worksheet (SWS) on improving problem-solving skills (PSS) in terms of student Learning Outcomes (LO). The research used a quantitative approach, quasi-experimental method, and the One Group Pretest-Posttest design research. The research sample also involved 31 high school students for the experimental class and 31 for the control class. The research has three variables: problem-based SWS, problem-solving skills (PSS), and Student Learning Outcomes (LO). The problem-solving skill instrument uses five essay questions, and the LO uses 20 multiple choice questions, both of which were developed by the researcher. Data analysis used the N-Gain formula to obtain information on the increase in PSS and LO. Based on the results of data analysis, it was found that the effect of implementing SWS was very significant on students’ PSS and LO. In addition, the application of SWS also affects students’ LO, and some students with high or low LO scores also have high PSS scores or vice versa. Inference from this study, it is hoped that teachers as educators will try to direct students to get used to solving physics problems using a five-stage problem-solving model.
Learning about laboratory equipment is often done. However, at the end of the learning that is often carried out tests is knowledge. While the skills possessed by students are rarely carried out tests, even though skills are part of the competencies that must be achieved. This can be caused by the unavailability of test kits that can be used to measure skills. Therefore in this study researchers conducted research on the development of physics student skills tests using basic physics measuring instruments in the Fkip Unsyiah Physics Education laboratory. This study aims to obtain a skill test device using a valid basic physics measurement tool for physics education study program students. The products produced are in the form of assessment instruments in the form of rubrics on a scale of 1-3. This study uses the development model Rowntree which consists of three stages, namely: 1) Planning; 2) Development; and 3) Evaluation. The results showed that the instrument validation obtained a percentage of 80% with a very feasible category. While the results of the average percentage of practical performance using calipers is 90.3%, micrometer 92.1%, voltmeter 81.5%, and ampermeter 81.6%. That is, the average percentage of student performance is categorized as very feasible.
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