Development of student worksheets based Predict-Observe- Explain (POE) model on social arithmetic material

Abstract

This study is designed to: 1) produce of learning media (Student worksheet) based Predict-Observe-Explain (POE) model on social arithmetic material. 2) knowing the level of validity and practicality of student worksheet. The test subjects in this study were Grade VII students of SMP Negeri 1 Lhokseumawe. The type of study used is Research and Development (RD). The development model used is ADDIE (analysis, design, development, implementation, and evaluation). The results of research and development of Student worksheet in the form of media expert validation of the assessment indicators have an average value of 84% with very valid information, while the assessment aspect has an average value of 85.1% with very valid information. The results of the material expert validation obtained from the assessment indicators have an average value of 90% with very valid information, while the assessment aspect has an average value of 92.5% with very valid information. The results of the small group trials on the assessment indicators were 93% and the average score on the assessment aspect was 92.73%. The results of the large group trials on the assessment indicators were 89.6% and the average score on the assessment aspect was 89.26%. So, it can be concluded that the POE (Predict-Observe-Explain) based worksheet can be accepted both valid and practical in accordance with student responses and media experts' responses to material experts can be used in SMP Negeri 1 Lhokseumawe.