The structure of two-tier testing is such that the first tier consists of a multiple-choice question and the second tier requires justifications for choices of answers made in the first tier. This study aims to evaluate two-tier tasks in "proportion" in terms of students' capacity to write and select justifications and to examine the effect of…

The effect of multiple-choice (MC) or open-ended (OE) response format on diagnostic assessment of algebra test performance was investigated with 231 eighth and ninth graders in Tel Aviv (Israel) using bug or rule space analysis. Both analyses indicated closer similarity between parallel OE subsets than between stem-equivalent OE and MC subsets.…

Gender differences in scholastic achievement as a function of measurement method were examined by comparing performance of 739 15-year-old boys and 758 15-year-old girls in Irish high schools on multiple-choice and free-response tests of mathematics, Irish, and English achievement. Method-based gender differences are discussed. (SLD)