Purpose: Based on the general formula, which depends on the length and difficulty of the test, the number of respondents and the number of ability levels, this study aims to provide a closed formula for the adaptive tests with medium difficulty (probability of solution is p = 1/2) to determine the accuracy of the parameters for each item and in…

The purpose of this study was to examine the characteristics of reading test items that may differentially impede the performance of students with disabilities. The findings suggest that there are certain revisions that can be done on current assessments to make them more accessible for students with disabilities. Features such as words per page,…

Lexical competence is considered to be an essential step in the development and consolidation of a student's linguistic ability, and thus the reliable assessment of such competence turns out to be a fundamental aspect in this process. The design and construction of vocabulary tests has become an area of special interest, as it may provide teachers…