Randall E. Schumacker's work delves into educational research, emphasizing quantitative methodology and statistical modeling. His scholarship explores advanced statistical techniques and their applications in teacher accountability and ability estimation. He also investigates robust statistics and best model selection methods. His extensive publications and editorial service highlight his significant contributions to educational research methodology.
This book serves as a resource for teachers in introductory or intermediate statistics courses, aligning with popular statistics texts. It includes R scripts for key concepts, T/F quizzes, and numerous exercises with solutions to reinforce understanding, allowing instructors to enhance lectures and cover additional topics.