RASCH MODEL ANALYSIS ON THE TWO-TIER MULTIPLE CHOICE QUESTIONS OF PHYSICS UNDERSTANDING TO MEASURE STUDENTS' HIGHER ORDER THINKING ABILITY IN GENDER PERSPECTIVE

Abstract

The purpose of this study is to design and validate the two-tier multiple-choice (TTMC) questions on fluid concepts through Rasch Model analysis. The design of the study was Research and Development. The step of development included determining the format of the item, determining the construction of the test item, determining the assessment guidelines, expert validation, and revision of the test item. The research involved 57 senior high school students of XI-grade MIA who more interested in learning physics at Lampung Province, Indonesia. The item qualities were analyzed using the Rasch Model with the Winstep 3.73 version of application software. The research results showed that the instrument developed is valid (reached an acceptable range of PT-Measure, Outfit Mean Square (MNSQ), and Outfit z-standardized (ZSTD)} values. Furthermore, the instrument has a very good reliability with alpha Cronbach's value of 0.94, and there is no bias for gender. Besides, based on the results of the pilot study through the ongoing assessment process, the TTMC can improve students' higher-order thinking skills and contribute to the mastery of physics concepts.