Developing Students’ Activity Worksheet Based on Constructivism Approach to Grow Critical Thinking of Grade IV Elementary School Students
The Research and development is aimed to develop students’ activity worksheet based on contructivism approach to grow critical thinking of the students, to analyse the attractiveness and effectiveness of students’ activity worksheet. This research and development refers to the theory of  Borg and Gall. The subjects of the research are the expert of material validity, media, language, teachers, and grade IV students of State Elementary School 1 Nunggalrejo. Some instruments applied are test to measure learning result and critical thinking ability of the students’ activity worksheet which has been validated by the experts of material, media, language, and classroom teacher. The result of the research shows that the students’ activity worksheet which is developed based on the result of the students’ need analysis can be applied for 2013 curriculum, and refers to the positive response of the students it is attracting them. And it is efective for learning by refering the improvement of the learning result. Keywords : Constructivism approach, critical thingking, students’ activity worksheet