ChatGPT y CharacterAI en la preparación de la prueba oral del DELE B1: análisis del feedback, la accesibilidad y las percepciones afectivas del aprendiente

The quantitative data supporting the key findings of this study are available within the article and its supplementary materials. Supplementary materials include the dataset of survey responses (Excel file), a PDF containing the statistical outputs for the analyses reported in the article, and the AI prompts used in the instructional activities analysed in the study.