THE EVALUATION INSTRUMENT OF ANALYTICAL THINKING AND SCIENCE PROCESS SKILL IN CHEMISTRY SUBJECT
This study was aimed at developing and describing the feasibility of analytical thinking and science process skill instrument for Senior High School chemistry in the material of reaction rates. The study was conducted in fi ve senior high schools in Yogyakarta. The instrument development used the 4-D model including defi ning, designing, developing, and disseminating. Analytical Thinking and Science Process Skill (ATSPS) instrument was validated by expert judgement and chemistry teachers. The data obtained were analyzed using the descriptive, qualitative, and quantitative methods. Findings show that evaluation of the the developed ATSPS instrument has a validity index of 0.95. Product evaluation of the instrument done by the Senior High School chemistry teachers obtained a score of 530 within the good category. The percentage of teachers’ responses to the chemistry assessment instrument is 88.33%. Therefore, ATSPS instrument is feasible to be used for measuring the knowledge and skills of the Senior High School students integratively.