Development of Test Item Specifications of The Computational Thinking for Senior High Student

Abstract

The purposes of this research were 1) to develop and verify the quality the test item specifications of the computational thinking for senior high student, and 2) to develop and verify the quality tests that make from test item specifications. The sample consisted of 800 students in semester 2 academics year 2021 Benjaburapa schools, using a multi-stage sampling. The research instruments were evaluation form, the test item specifications, and computational tests. Data were analyzed by mean, standard deviation, content validity, difficulty, discrimination, confirmatory factor analysis and reliability. 

The research findings were as follows: 1) Development of test item specifications of the computational thinking for senior high student that test item specification consisted of test objectives, components of the computational thinking for senior high student, format of questions, format of answer, scoring criteria, test development guidelines, item specification, sample items, and grading criteria. The quality evaluation result was in the high level (Mean=4.44, S.D.=0.25),  2) The tests of the computational thinking for senior high student is mixed-format tests containing both multiple-choice items, short answer items and fill in blank items. The quality of the tests consisted of content validity (IOC = 0.60-1.00), difficulty of the answer difficulty of distractor and discrimination effective according to the criteria, construct validity the measurement model was related with the empirical data and reliability was at a high level (KR-20 = 0.92).