Data for the study on online CBT psychoeducation and test anxiety

This dataset was collected as part of a study investigating the effectiveness of an online Cognitive Behavioral Psychoeducation Program aimed at reducing test anxiety among middle school students. The study involved 414 eighth-grade students from four public middle schools in Samsun, Türkiye. Following screening procedures, 48 eligible students were randomly assigned to experimental, control, and placebo groups. The dataset includes measures of test anxiety, academic achievement, and study habits collected at pre-test, post-test, and two follow-up assessments. Version 2 update: Variable names were translated from Turkish into English to improve readability for international users. No data values, coding, or analyses were modified.