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jan 1, 190 - Early rating scales/Theories of Personality Galen --} greek physician --} applied rating scale to humor theory of personality --} Blood, Phlegm, Yellow Bile, Black Bile

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Timeline of the Development of Psychology

ByYhummhie Sarabia- Baldonaza

20 Oct 2017

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jan 1, 190

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~ 1837 years ago

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