Using problem-based worksheet on human reproductive system for improving student thinking skills

Abstract

The aims of this study were to determine (1) the effect of Problem-based Student Worksheet on Human Reproductive Systems upon students’ Higher Order Thinking Skills (HOTS) and (2) to analise the contribution of Problem-based Student Worksheet on students’ HOTS. This classroom research used non-equivalent control group design. Population of students involved in this study was approximately 252 grade XI Math and Science students (MIA) from the public senior highschool at Pati, Sekolah Menengah Atas Negeri 2 Pati in the second semester of the academic year 2016/2017. Students as research sample were collected by purposive sampling technique, by which MIA 4 students were chosen either as the treated group or the control one. Score of students’ HOTS as dependent variables were collected by written tests consisting of 10 free-response questions. The other dependent variable, namely the scores of problem-solving skills, were measured by questionaires provided by the Problem-based Student Worksheet, administered only for the treated class. Data obtained were analyzed using t-test and correlation test. The findings showed that the Problem-based Student Worksheet affected the students’ HOTS (coefficient value of 0.809). In sum the higher score of problem-solving skills was the higher score of students’ HOTS.