
R. W. McLellan
R. W. McLellan was a notable American psychologist renowned for his research in cognitive psychology and educational testing. He contributed to understanding how individuals process information and learn, emphasizing the importance of assessment tools in measuring cognitive abilities. His work helped develop more effective educational strategies and testing methods, supporting fairer evaluation of student learning and intellectual skills. McLellan’s research has had a lasting impact on educational psychology, enhancing our understanding of human cognition and how best to support diverse learning needs.