Comparison of Psychometric Properties Integrating Indicators of Reading Analytical Thinking and Writing Abilities and Indicators of Content Science of Nine Grade Using the Different Item Review Methods

Abstract

The purposes of this research were to compare the psychometric properties integrating indicators of reading analytical thinking and writing abilities and indicators of content science of nine grade using the different item review methods. The participants in this research comprised of 750 students in grade 9 and the data was collected through integrating test indicators of reading analytical thinking and writing abilities and indicators of content science of nine grade. Tests were divided into test A and B, a test is self item review and B test is item review with expert group. Researcher analyzed psychometric properties using classical test theory and item response model. The research findings were as follows:
1) The test is used in three dimensions school have the content validity of the two test
2) Reliability of the test in small size school and big size school, the reliability was low in the two test. But the test in medium size school, the reliability was high in the two test
3) Analysis of classical test theory and item response model, the difficulty and discrimination of the two test are not different.