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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
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29 jan 1950 ano - B.F. Skinner: 1950’s Believed that all behavior is a result of rewards and punishments in the past.

Adicionado na linha do tempo:

Data:

29 jan 1950 ano
Agora
~ 74 years ago