CONSTRUCT VALIDITY OF CRITICAL THINKING SKILL INSTRUMENT IN TEACHING MATHEMATIC IN JUNIOR HIGH SCHOOL
R., Rosnawati; Badrun, Kartowagiran · Universitas Negeri Yogyakarta
This study aims to evaluate the construct validity of cognitive instruments of critical thinking in teaching mathematics in junior high school. The instrument was developed using a method that allows to design an obvious question to measure both the content and critical thinking skills. Critical thinking instrument consists of 42 multiple choice questions wi…