Student’s critical thinking skills in interactive demonstration learning with web based formative assessment

Abstract Besides conceptual understanding, students are required to have good critical thinking skills because critical thinking skills is one of the important goals in educational world. By having good critical thinking skills, students can solve problems especially in Physics easily. The aim of this research was to study student’s critical thinking skills after experienced interactive demonstration learning with web based formative assessment in static fluid. This research used quasi-experimental with one group pre-test post-test design. The subject of this research was students in grade XI of Natural Science class in MAN 1 Pamekasan. The result of this research showed that interactive demonstration learning with web formative assessment could increase student’s critical thinking skills in static fluid. Based on n-Gain score, the improvement of student’s critical thinking skills in static fluid included in the medium category. This happens on all three indicators of critical thinking skills that have been used, namely reasoning, argument analysis and problem solving.