This document provides an introduction to technologies and educational media. It discusses early educational thinkers like Comenius and his book Obis Sensualium Pictus. It also mentions theorists like Thorndike and Skinner who researched learning and behaviorism. The document then outlines the development of educational technology from the early 20th century with the first educational film in 1905 in St. Louis. It notes the growth of educational radio and television between 1920-1930 and after World War 2. Finally, it distinguishes between educational technology which focuses more on the general use of technology for education, and instructional technology which specifically aims to solve instructional problems through technology.
This short document discusses three main points without providing many details. The first point refers to something in quotation marks. The second point again mentions something in quotation marks. The third point is a number without any other context.
