THE DEVELOPMENT OF STUDENT DIGITAL WORKSHEETS BASED ON LOGAN AVENUE PROBLEM SOLVING (LAPS)-HEURISTIC TO IMPROVE CRITICAL THINKING SKILLS

This research aims to: (1) produce an student digital worksheets product with a valid, practical, and effective Logan Avenue Problem Solving (LAPS)-Heuristic learning model to (2) the process of solving answers made by students in solving problems in the Logan Avenue Problem Solving (LAPS)-Heuristic learning model. This type of research is R & D using the ADDIE development model. The results of the field trial show that the Student Digital Worksheet with the LAPS-Heuristic model can facilitate students' critical thinking skills. The validity obtained result on the material expert is 92% and based on the media expert is 85.4%. Also, the percentage of practicality is 92.9% and is included in the very practical category. Implementation of learning with the application of student digital worksheets The learning implementation with the application of these worksheets was carried out to see the effectiveness of this worksheet obtained results, namely classical learning completeness reached 86.67%, from the reference of the effectiveness assessment, the student digital worksheets developed was classified as effective. From the reference of the effectiveness assessment, the student digital worksheets developed were classified as effective. The increase in critical thinking skills was an increase in the medium category with an average gain score of 0.639. Based on the data obtained, it is concluded that the Logan Avenue Problem Solving (LAPS)-Heuristic learning model developed meets the qualifications of valid, practical, and effective.