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jan 1, 1907 - Structure of Mental Ability Charles Spearman --} english psychometrician --} developed factor analysis * analyze groups of test items * patterns of correlation --} two-factor model of intelligence * S- specific factor * g- general factor

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Timeline of the Development of Psychology

ByYhummhie Sarabia- Baldonaza
20 Oct 2017
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Date:

jan 1, 1907
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~ 119 years ago

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