Erlinda Rahma Dewi
IAIN Surakarta

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Efektivitas Problem Based Learning pada Pembelajaran Matematika terhadap Sikap Matematis Erlinda Rahma Dewi; Lihar Raudina Izzati; Dita Purwinda Anggrella
SAP (Susunan Artikel Pendidikan) Vol 6, No 2 (2021)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (454.7 KB) | DOI: 10.30998/sap.v6i2.10283

Abstract

The lack of mathematical attitudes of students at SMP Negeri 2 Playen which is marked by not being ready to take part in mathematics learning and not understanding the goals and benefits of studying mathematics causes learning to be ineffective. Through PBL (Problem-Based Learning) learning is expected to provide alternative solutions so that mathematical attitudes develop optimally. Quasi-experimental (quasi-experimental) is a type of research in this study, with a non-equivalent group design pretest-posttest research design. The research instrument used a mathematical attitude questionnaire containing 25 statements with a Likert scale. As for the validity of the mathematical attitude questionnaire instrument, content validity and construct validity were carried out. The average result of the PBL class student's mathematical attitude questionnaire before treatment was 68.38, while the average result of the student's mathematical attitude questionnaire after treatment was 74.31. These results indicate an increase of 5.93. The average value of PBL class students after treatment has reached the KKM, which was a minimum score of 67.2. This was supported by the results of the SPSS one sample t-test analysis which produced a t-value of 7.725 and a significance value of 0.00. A significance value of less than 0.05 indicates that the PBL approach was effective in terms of students' mathematical attitudes.
PENGEMBANGAN LEMBAR KEGIATAN SISWA DENGAN PENDEKATAN SAINTIFIK PADA MATERI TURUNAN SMA Erlinda Rahma Dewi; Lihar Raudina Izzati; Dita Purwinda Anggrella
MEGA: Jurnal Pendidikan Matematika Vol. 4 No. 1 (2023): MEGA: Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Universitas Muhammadiyah Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59098/mega.v4i1.254

Abstract

This study aims to produce student activity sheets with a scientific approach to high school derivative materials and to determine the quality of student activity sheets from the aspects of validity, practicality, and effectiveness. This type of research is development research. The development model used is the ADDIE development model which consists of analysis, design, development, implementation, and evaluation. The instrument used in this study was the Student Activity Sheet assessment sheet to measure the validity, the response questionnaire to the use of learning devices to measure practicality, and the learning outcome test questions to measure effectiveness. The results showed that the Student Activity Sheet developed was valid because the results of the assessment met the minimum classification "Good". Assessment of Student Activity Sheet gets an average score of 4.1 with the classification "Very Good". Based on the results of data analysis of teacher response questionnaires and student response questionnaires, the Student Activity Sheet is said to be practical because it meets the minimum classification "Good". The results of the teacher's questionnaire response to the use of the Student Activity Sheet got an average score of 3.25 with the classification "Good" and the student response questionnaire to the use of the Student Activity Sheet got an average score of 3.2 with the classification "good". Student Activity Sheets are said to be effective because the percentage of students' classical completeness reaches 84.62%.