This study aims to create and validate an evaluation tool that assesses the learning effectiveness of extended reality applications (e.g., augmented reality, virtual reality, mixed reality, and the metaverse). Six research questions were formulated to guide this study. The Extended Reality in Education (XREd) questionnaire consists of 50-items…

Problem Statement: Computerized adaptive testing (CAT) is a sophisticated and efficient way of delivering examinations. In CAT, items for each examinee are selected from an item bank based on the examinee's responses to the items. In this way, the difficulty level of the test is adjusted based on the examinee's ability level. Instead of…

The regression-discontinuity approach to evaluating educational programs is reviewed, and regression-discontinuity post-program mean differences under various conditions are discussed. The regression-discontinuity design is used to determine whether post-program differences exist between an experimental program and a control group. The difference…