The 1940s marks the beginning of Information Science. Because of World War II there was an immediate need for the training of thousands of military personnel. To address this need the government created and distributed training films and other instructional tools.
- World War II led to increase of funding for education research and development
- (1942) Smith and Tyler provide evaluation manual which dominates educational evaluation for next quarter century
- (1946) Edgar Dale developed the Cone of Experience.
- (1949) Ralph Tyler publishes Basic Principles of Curriculum and Instruction
- emergence of the role of instructional technologist and instructional design team