Who first hypothesized that the proportion of the variance that a number of tests have in common accounts for a general factor of intelligence?
A) Pearson
B) Piaget
C) Spearman
D) Galton

Name: Who first hypothesized that the proportion of the variance that a number of tests have in common accounts for a general factor of intelligence? A) Pearson B) Piaget C) Spearman D) Galton
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Question

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Spearman first hypothesized the concept of a general factor of intelligence, which he referred to as "g" in 1904.

Who First Hypothesized That the Proportion of the Variance That