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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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15 jul 1867 año - Late 1860's Donders developed the subractive method to measure mental activity
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Important dates in psychological history
By
Natasha Gualy
7 mar 2018
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853
fecha:
15 jul 1867 año
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~ 158 years ago
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