Attributes of Students' Critical Thinking Skills on Economics: A Rasch Model Analysis

摘要

Critical thinking skills are needed by the students to adapt to various changes in modern society and to face the challenges of 21st-century learning. Classroom assessment can be an alternative strategy to promote critical thinking skills. This research explores the psychometric properties of the critical thinking skills test for economic students. Students' critical thinking skills are assessed using economic tests that measure interpretation, analytical, evaluation, and inference skills. It is validated using expert judgment and then analyzed using Aikens' content validity. Two hundred eighty-eight high school students were involved in this research by taking a set of multiple-choice tests on economics. Data were analyzed using the Rasch Model. The results show that all items test meet the content validity with a minimum Aikens' index of 0.87. Students' critical thinking skills are in the moderate category, and all attributes measurement of the data fit the Rasch model.