Abstract:
Research has been carried out with the aim of producing student worksheets using the Science, Technology, Engineering, and Mathematics (STEM) approach to train students' critical thinking skills that are appropriate to be used in the learning process. The specific objectives of this study are to describe: 1) the validity of worksheets, 2) practicality of worksheets, 3) effectiveness of worksheets, and 4) achievement of critical thinking skills of students. This type of research is research and development with analyze, design, development, implementation, and evaluation (ADDIE) model. The trial subject in this research is 36 eleventh grade students of public high school in Banjarmasin city. The research instrument were the student worksheets validation sheet, the implementation sheet of the lesson plan, the learning outcomes test, and the observation sheet of critical thinking skills. The results showed: 1) the student worksheets developed was categorized as valid, 2) the practicality of student worksheets was categorized as very practical, 3) the effectiveness of students was categorized as medium, and (4) achievement critical thinking skills of students was categorized as sufficient. It can be concluded that, the student worksheets through the STEM approach to train students' critical thinking skills was appropriate to be used in learning.
