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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 mayo 1940 año - Skinner comienza programas de reforzamiento.
Añadido al timeline:
Historia de la psicología. siglo xx
By
dianap20m@live.com
26 nov 2018
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fecha:
28 mayo 1940 año
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~ 85 years ago
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