Psychological teaching apparatus

Details Psychological teaching apparatus Psychological teaching apparatus

1974-09-23

1976-04-13

Grieb, Wm. H.

G09B 706

Patent

active

039494896

ABSTRACT:
A psychological teaching apparatus is described having a cover plate and successively therebeneath a question analysis sheet, a spacer plate, an answer key plate, and a series of electrical contacts, a series of aligned holes in said cover plate and spacer plate representative of the questions to be answered and corresponding holes in the answer key plate representative of the answers to such questions, the series of electrical contacts beneath the holes of the answer key plate being connectable with an electrical probe passing through the answer key plate, and a series of lights electrically connected to said probe and said electrical contacts to become actuated upon contact of the probe with each said contact for successive questions.

REFERENCES:
patent: 2943400 (1960-07-01), Griswold
patent: 3057082 (1962-10-01), Wellington et al.
patent: 3100352 (1963-08-01), Boissevain
patent: 3209471 (1965-10-01), Brittan
patent: 3471941 (1969-10-01), Torres
patent: 3522665 (1970-08-01), Kalt

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