Which psychologist proposed nine specific factors of intelligence, which he called primary mental abilities?
A)Alfred Binet
B)Charles Spearman
C)L. L. Thurstone
D)J. P. Guilford

Question

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L. L. Thurstone proposed nine specific factors of intelligence, which he called primary mental abilities, in contrast to Charles Spearman's g factor theory.

Which Psychologist Proposed Nine Specific Factors of Intelligence, Which He