PSYC 405 Lecture Notes - Lecture 11: Wechsler Adult Intelligence Scale, Fluid And Crystallized Intelligence, Inattentional Blindness
10 Mar 2020
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Document Summary
Today most researchers believe that intelligence consists of different abilities. Verbal comprehension, word fluency, number, space, associative memory, perceptual speed and induction. Fluid intelligence (perception, recall, drawing inferences, processing speed, etc. ) Six subtests on the verbal scale and. Steady decreases in older age groups beginning in late adolescence. Crystallized intelligence increases sixth decade while gluid intelligence has a steady devline beignning in early afdulthoot. Increases in iq performance up to age 50; Then abilities usually maintained or have smaller decline. Iq gains were in verbal abilities and. Iq scores remained very stable over the forty year span. Gains in iq were more highly associated with education than aging. Schaie"s seattle longitudinal study (every 7 years) Decline in performance somewhere between 55 and 70 years. When people fail to notice an unexpected, but silent, object or event that appears in their immediate environment while they are engaged in a task. Failing to see visible objects when our attention is directed elsewhere.
