CHILD DEVELOPMENT PEDAGOGY

Detailed explanation-1: -Louis Leon Thurstone proposed theory in 1930’s that intelligence is composed of several different factors. The seven primary mental abilities in Thurstone’s model were verbal comprehension, word fluency, number facility, spatial visualization, associative memory, perceptual speed and reasoning.

Detailed explanation-2: -Psychologist Louis L. Thurstone (1887–1955) focused on seven primary mental abilities rather than a single, general ability.3 These include: Associative memory: The ability to memorize and recall.

Detailed explanation-3: -Louis Thurston came out with the group factor theory (1937) saying that Intelligence is a cluster of abilities. These mental operations then constitute a group. A second group of mental operations has its own unifying Primary factor; a third group has a third Primary factor and so on.

Detailed explanation-4: -Louis Leon Thurstone (1887–1955) was a quantitative psychologist and past president of the American Psychological Association who is best known for advancing the methods of factor analysis, statistical methods used to explore latent factors underlying sets of observed variables.

Detailed explanation-5: -Factor analysis and work on intelligence Thurstone’s work in factor analysis led him to formulate a model of intelligence centered on “Primary Mental Abilities” (PMAs), which were independent group factors of intelligence that different individuals possessed in varying degrees.