EDF-4210 Lecture Notes - Lecture 5: Intellectual Disability, Flynn Effect, Fluid And Crystallized Intelligence
20 Mar 2019
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Ability or abilities to acquire and use knowledge for solving problems and adapting to the world. The history of defining and measuring intelligence is complicated and controversial: is intelligence fixed (inherent), or does it change over time, do we have one kind of intelligence, or are there many kinds, fluid & crystalized intelligence. Fluid intelligence: think and reason abstractly and solve problems, closely related to brain development and working memory, reach the peak at late adolescent and decease with age. Crystalized intelligence: knowledge that comes from prior learning and past experiences, increase as people age, measuring intelligence. The u. s. government started the world first massive administration of intelligence tests in the 1900s. In the first half of 20th century, iq tests were used to identify and to reinforce sterilization of feeble-minded people. Individual iq tests (more accurate: administered one-on-one by a trained psychologist. Group iq tests (less accurate: given to whole classes at once.
