There are selected psychologists who have contributed much toward studying problems in teaching and learning. They have suggested plans from research, carefully conducted, which enable educational practices to be set on more secure and justifiable grounds. The writer will briefly write about ten leaders, although there are salient others.

Cognitive load theory (CLT) is one of the most important theories in educational psychology, a highly effective guide for the design of multimedia and other learning materials. This edited volume brings together the most prolific researchers from around the world who study various aspects of cognitive load to discuss its current theoretical as…