José David Cuesta Sáez de Tejada, PhD, is a faculty member in the Department of Research Methods and Diagnosis in Education at the University of Murcia, Spain. He holds a degree and a PhD in Psychopedagogy from the University of Granada. His research focuses on educational research methodology, data analysis in the social sciences, educational assessment, learning processes, and attention to diversity. He has contributed to competitively funded research projects, including the European Leonardo da Vinci project DOWN-UP, focused on pathways to the social and labour inclusion of people with Down syndrome, as well as projects addressing special educational needs and family education. His work also encompasses psychometric analysis of educational assessment instruments, self-regulated learning, and the evaluation of educational interventions.