Which statistical technique helped Thurstone identify seven primary mental abilities?

Question

Quizplus · Accepted Answer

Factor analysis is a statistical technique used to identify underlying factors or dimensions that explain patterns of correlations among a set of variables. Thurstone used factor analysis to identify seven primary mental abilities: verbal comprehension, word fluency, number facility, spatial visualization, associative memory, perceptual speed, and reasoning.

Which Statistical Technique Helped Thurstone Identify Seven Primary Mental Abilities