Harry Firman

Universitas Pendidikan Indonesia (UPI) Bandung, Chemistry Education, Alumnus

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Born in Bandung, Indonesia, got master degree in science education from Indonesia University of Education and PhD in chemistry education from Sultan Idris Education University, Perak, Malaysia. Worked for Indonesia University of Education as senior lecturer of science and chemistry education.

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Construct validity examination of inquisitiveness indicator on critical thinking disposition test in biology

Inquisitiveness is one of indicators of the critical thinking disposition which is curiosity to g... more Inquisitiveness is one of indicators of the critical thinking disposition which is curiosity to gain knowledge. The aims of this research were to examine the construct validity of inquisitiveness indicators on critical thinking disposition test in biology. The critical thinking disposition test consisted of 22 multiple choice questions that have been validated by experts and the items were presented through cases relating to biological content. This research involved 526 students of biology education from University of Muhammadiyah Bengkulu and the State University of Bengkulu in the grade of study (year 1, year 2, year 3, and year 4). Based on the confirmation by confirmatory factor analysis, this research found that the critical thinking disposition test for inquisitiveness indicators had the suitable construct validity for 10 items. This results were supported with the acceptable values of convergent validity, they were the standardized factor loading more than 0.5, composite rel...

Confirmatory factor analysis of critical thinking disposition test in university biology

by JAYANTI SYAHFITRI and Harry Firman

Journal of Physics: Conference Series, 2019

The purpose of this study was to look at the construct validity of the Critical Thinking Disposit... more The purpose of this study was to look at the construct validity of the Critical Thinking Disposition (CTD) Test in Biology. Referring to Facione theory, there are seven indicators of CTD: truth-seeking, open mind, analyticity, systematicity, self-confidence, inquisitiveness, and maturity. The instrument used is ten groups of questions consisting of 7 questions that lead to the CTD. The test is presented in the form of cases relating to biological content and have been validated by experts. The study involved 526 respondents who are biology education students from two universities in Bengkulu with study level (year1, 2, 3 and 4). After confirming with CFA, the results show that the CTD test has suitable construct validity. This result is supported by the value received from Convergent Validity which includes the factor loading value of more than 0.5, while the Composite Reliability (CR) and Average Variance Extract (AVE) values for seven indicators of CTD are truth-seeking (CR=0.96, ...

Harry Firman

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