PSYC 1010 Lecture Notes - Twin, Factor Analysis, Flynn Effect
19 Jun 2013
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A standardized measure of a sample of a person"s behavior. Rebecca jubis: personality tests, mental ability tests. Aptitude tests also measure potential, but they asses specific abilities. Achievement tests measure previous learning in different subjects. Intelligence (wechsler): the capacity to act purposefully, to think rationally and to deal effectively with the environment. 1884 galton, iq reflects sensory acuity and physical attributes. 1905 baniet, iq reflects reasoning, recall and imagining. Noticed that older kids could answer more correct answers. Mental age: the kid"s performance on a test expressed in years, compared to typical performance at that age. Stern came up with what is called the intelligence quotient" (iq) ~ no longer. E. g. if two cases (7/5 & 12/10) have the same difference between ma and ca, so iq scores should be the same but they are not. E. g. (30/30 =100 & 30/60=50) this indicates that the older you get, the stupider" you get.
