Pérez Montesdeoca, HéctorRodríguez Rodríguez, DanielStendardi, DavidFernández Sogorb, Aitana2026-01-132026-01-132026Pérez-Montesdeoca, H., Rodríguez-Rodríguez, D., Stendardi, D., & Fernández-Sogorb, A. (2026). Design and validation of a questionnaire on teachers’ uses of generative artificial intelligence. Computers and Education Open, 10, 100332. https://doi.org/10.1016/j.caeo.2026.1003322666-5573https://hdl.handle.net/11268/16705The use of generative artificial intelligence (GAI) in secondary education is transforming teaching practices and students' learning experiences. This study presents the design and validation of a questionnaire to assess the various educational uses of GAI by secondary school teachers. An initial pool of items was developed based on a comprehensive review of recent literature and validated through expert judgment. The preliminary version of the instrument was administered to a sample of 486 secondary school teachers in Spain.engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal article10.1016/j.caeo.2026.100332open accessInteligencia artificialDocenciaInnovación educacionalGoal 4: Quality education