The three-stratum theory of intelligence is a contemporary theory that proposes a single, overall ability that contains eight broad factors, each of which contains many more specific abilities. This theory was proposed by ______.

Question

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The three-stratum theory of intelligence was proposed by John Carroll. Choice A refers to Spearman's two-factor theory, Choice B refers to Thurstone's primary mental abilities theory, and Choice D refers to Cattell's fluid and crystallized intelligence theory, none of which are the same as the three-stratum theory.

The Three-Stratum Theory of Intelligence Is a Contemporary Theory That