History of Educational Technology. By: Laura Urquieta. Early 1920’s Pressey Testing Machine. Sidney Pressey an educational psychology professor at Ohio State University, developed a machine to provide drill and practice items to students in his introductory courses.
By: Laura Urquieta
Sidney Pressey an educational psychology professor at Ohio State University, developed a machine to provide drill and practice items to students in his introductory courses.
The teaching machine looked like a typewriter with a window that revealed a question having four answers. On one side there were four keys and when a user pressed a key, the machine recorded the answer on the back and revealed the next question. After the user was finished the person scoring the test slipped the test sheet back into the device and noted the score on the counter.
HES was an early hypertext research project conducted at Brown University by Andries van Dam, Ted Nelson and several Brown students. It was a system that organize data into two main types, links and branching text. The branching text could be arranged into menus and a point within a given area could also have an assigned name, called a label, and be accessed alter by that name from the screen.
Xerox Alto was one of the first computers developed at Xerox PARC design for individual use, making it what is now a personal computer.