GRE (Graduate Record Examinations) Psychology Thinking-Intelligence Study Material (Page 4 of 16)

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Theories of Intelligence: Unifactor Theory and Two-Factor Theory


Unifactor Theory

Unifactor theory was propounded by Binet and supported by Terman and Stern. This theory considers intelligence as a factor of power and energy, According to this theory, intelligence is that mental energy that conducts all mental functions and affects the behavior of man. The followers of this theory believed while performing any action intelligence works as a whole and unified entity.

Two-Factor Theory

Two-Factor Theory was propounded by Spearman and it deals with two types of abilities:

  • General (G) Factor: G-Factor ability is applied to solve virtually any kind of problem req

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Theories of Intelligence: Sampling Theory and Group Factor Theory


Sampling Theory

Thomson propounded sampling Theory. This theory is against the Spearman’s Theory. According to this theory, carrying out cognitive tasks requires the use of many lower order uncorrelated modules or neural processes. They hypothesized that the samples of modules or bonds used for different cognitive tests partly overlap, causing a positive correlatio

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