Development of Critical Thinking Ability Assessment Instruments Students (Study on Material Economic Growth and Development of Students in High School)

Abstract

The study aims to determine: (1) Knowing the instrument development of students' critical thinking skills on the material of economic growth and development of SMAN 1 and SMAN 2 Kalianda; (2) Find the steps of developing critical thinking assessment instruments economic growth and development of SMAN 1 and SMAN 2 Kalianda; (3) Knowing of developed instrument has met the criteria of validity and reliability. This research used research and development (R&D) using a development design from Borg and Gall. The subjects of this study were students of class XI IPS 1,2,3 SMAN 1 Kalianda and students of class XI IPS 1,2,3 XI IPA 1,2 SMAN 2 Kalianda. For the the first trials students of class XI IIS 2 SMAN 2 Kalianda with 32 students and final field test of the 236 students. Product uses 30 items assesment for the first trials and then 25 items assessment for the final field test. The analysis technique used the KMO (Kaiser Meyer Olkin) test. The results of the study show: (1) From the 30 questions developed, 25 valid and reliable items were obtained from the first trial; (2) Standardization the instrument using the KMO the 6 elements of interpretation, analysis, evaluation, conclusions and explanations. So, data is valid and reliable because the KMO and MSA TEST values are > 0.5.