The purpose of this research is to determine whether PISA 2018 mathematical literacy test items show a differential item functioning across countries. For this purpose, only the items in booklet number three were examined using the MIMIC method with Latent Class Analysis (LCA) approach. PISA 2018 tests are mostly developed in English. Therefore,…

This article outlines the development of a 16-item instrument for measuring language learner's foreign language self-efficacy (SE) concerning their speaking and listening skills through repeated administrations to groups of Japanese tertiary students. Responses were analysed through the Rasch model, which allows researchers to investigate…

Local item dependency (LID) occurs when test-takers' responses to one test item are affected by their responses to another. It can be problematic if it causes inflated reliability estimates or distorted person and item measures. The cued-recall reading comprehension test in Hu and Nation's (2000) well-known and influential coverage--comprehension…

Computerized assessments and interactive simulation tasks are increasingly popular and afford the collection of process data, i.e., an examinee's sequence of actions (e.g., clickstreams, keystrokes) that arises from interactions with each task. Action sequence data contain rich information on the problem-solving process but are in a nonstandard,…