This study aimed at investigating the influence of item formats upon students’ performance and item psychometric characteristics. The students of evaluation and measurement 68 students were chosen to collect the data, 2 test format were applied; Multiple Choice items test and Completion items test. The results indicated that students performance was effected by the type of the test items, female students’ performed higher than male students’ on the 2 forms, and the psychometric characteristics of the test were found to be affected by test format.
Keywords: Item, Item Format, Performance, Psychometric Characteristics, Test
