1920

=__1920-1939__= toc

Overview
Through the 1920's and 1930's the Visual Instructional Movement continued to grow despite the adverse effects of the Great Depression. More theories began to emerge in educational psychology during this time as well. Because of advances in technology regarding audio recordings and media with sound, the movement become known as the Audiovisual Instructional Movement. Technology continued to develop with some first steps in television.

DVI
In **1932**, three Visual Instruction professional organizations joined to become the Department of Visual Instruction (later known as the Association for Educational Communications and Technology).

Gestalt
Max Wertheimer describes the Gestalt Theory as learning by grasping the whole concept and insight in **1924**.

Jean Piaget
Jean Piaget describes his theory on human development and processes of learning in "//The Child's Conception of the World//" in **1929**. His work will forever effect educational psychology.

Television
In **1930**, the United States transmits its first television broadcasts only three years after England had accomplished the feat.

By **1939** scheduled television broadcasts begin airing.