alleryHow many primary mental abilities did Louis Thurstone propose in his theory of intelligence?
ATwelve primary mental abilities
BThree primary mental abilities
CSeven primary mental abilities
DTwo primary mental abilities
Answer & Solution
Correct answer: C. Seven primary mental abilities
1. Louis Thurstone followed Spearman with his theory of primary mental abilities.
2. He stated that intelligence consists of primary abilities, each relatively independent of the others.
3. The chapter lists seven such abilities.
4. They are Verbal Comprehension, Numerical, Spatial, Perceptual Speed, Word Fluency, Memory and Inductive Reasoning.
5. Hence Thurstone proposed seven primary mental abilities.
_Source: syllabus Psychology Ch 1 "Variations in Psychological Attributes", p. 6, Theories of Intelligence_
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