Title: Development of Assessment Instruments In Measuring Critical Thinking Skills of Senior High School Participants of Biology Subject
Abstract: Abstract The purposes of this study are to determine the instrument assessment appropriateness in measuring critical thinking skills and understand the level of critical thinking skills at 10 th -grade senior high school participants of biology subjects at Palembang. This study is about research and development (R & D). The instrument of development model used is a 4-D development model from Thiagarajan, namely; define, design, develop, and disseminate. Aiken’s V qualitative and quantitative analysis by using QUEST program was used in this study. The results showed that; 1) Biological assessment instruments used in developing critical thinking skills of senior high school participants of the 10 th class of biology subject are worth to be reviewed in terms of test standard characteristics; and 2) the percentage of critical thinking skills mastery level on interpretation indicators: 46.78%; 44.86% analysis; 41.15% evaluation; 49.12% inference; 47.50% explanation; and self-regulation 54.27%.