Dataset for: Generative AI-Assisted Writing Self-Efficacy: Scale Development and Validation in an English as a Foreign Language Context

This dataset supports the Generative AI-Assisted Writing Self-Efficacy: Scale Development and Validation in an English as a Foreign Language Context. It includes three SPSS (.sav) data files: an EFA sample (N=285), a CFA/criterion validity sample (N=465), and a test-retest reliability sample (N=45). The dataset also contains R and SPSS scripts for conducting exploratory factor analysis (EFA), confirmatory factor analysis (CFA), reliability/validity analysis, and demographic reporting. All data are anonymized and ready for use in scale validation and psychometric research.