16mm Filmography
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An Experimentally Produced Social Problem In Rats

Year Published: 1939

Creator: University Park

Format: 16mm

Sound: sound

Description: Three rats are trained individually to 'WORK' by depressing a lever which releases a pellet of food at a nearby delivery trough. The work lever is then moved across the cage some distance from the position of the delivery trough, and the three rats, marked for easy identification in the film, are placed together in the situation to see which animal does the work.

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