EPAC (Electronic Profile Analyzing Computer) (1953) by Frank Rosenblatt, Cornell University. The…

Дата публикации: 18-10-2026 12:28:31

stevebattle:EPAC (Electronic Profile Analyzing Computer) (1953) by Frank Rosenblatt, Cornell University. The EPAC was a special-purpose machine designed to perform multidimensional analysis for analysing psychometric profiles. Data was collected from a 600 question survey of more than 200 Cornell undergraduates. The image above, shows Frank Rosenblatt working on the EPAC.“An "idiot brain” — an electronic computer that can solve only one type of problem—has been designed and built by a 25-year-old psychology student, Frank Rosenblatt, at Cornell University. He needs the machine in preparing his Ph. D. thesis. When it is not working for him it is doing odd jobs for psychologists and anthropologists at the university. Rosenblatt plans to give a series of psychological tests to about 200 persons, and may have to solve 20,000 equations before he has the information that he wants. This is no superhuman task nowadays. In two seconds, EPAC (electronic profile analyzing computer) can calculate a problem that would take fifteen minutes with a desk computer. Rosenblatt’s computer does not grade tests, but measures the similarity of the “profiles" or patterns the answers make. Two persons may have identical scores, Rosenblatt explains, but entirely different patterns. On the other hand, a genius and a moron can have similar patterns but quite different scores.“ – Electronic Brain’s One-Track Mind, New York Times, Oct. 18, 1953.

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