Abelardo Villarreal Author

Norma S. Guerra, Ph.D, is a school psychologist and a professor in the Educational Psychology department at the University of Texas at San Antonio, USA. Dr. Guerra’s research focuses on problem-solving and human development.

Abelardo Villarreal, Ph.D., is a researcher in the Academy for Teacher Excellence at the University of Texas at San Antonio, USA. Dr. Villarreal’s research interests include school change, teacher and administrator professional development, school equity, and instructional materials development.