dataset on mental health, academic motivation, and perceived academic performance among Vietnamese students in online learning from a self-determination theory perspective

Data were collected on 2763 valid responses were collected via Google Forms from April to June 2026. The questionnaire contained two sections: 38 items measuring six constructs with a five-point Likert scale and demographic items covering gender, academic year, field of study, and average weekly online learning time.

The accompanying data and analysis files provide the raw dataset, respondent characteristics, outer loadings, Cronbach’s Alpha, composite reliability, average variance extracted, and the Fornell-Larcker matrix. The dataset can be reused to examine the relationships among basic psychological needs, mental health, academic motivation, and students’ perceptions of academic performance based on Self-Determination Theory (SDT).