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Lecture 7

Psyb20lec7.docx

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Department
Psychology
Course
PSYB32H3
Professor
Mark Schmuckler
Semester
Winter

Description
Psyb20-lec 7 Intelligence -for piaget intelligence is when individuals have development cognitive components to answer questions to think about world -there is a huge range of potential range of characteristics that we take as being intelligence -wanna discover the individual differences of intelligence Measures of intelligence -binet formed the intelligence tests -the goal of the test was to predict school performance, to identify children at risk in an academic setting -the test was going to measure the school skills, like attention, memory -he developed the question of mental age; intelligence developed with age so the items on the test were age graded -cant pass the items of ur age group, you have a bad mental age intelligence -it doesn’t identify really the children at risk -so came up with the intelligence quotient, divide mental age by chronological age timesby 100 (average performance is 100, greater than 100, the child is bright, less than 100 child needs special help, not at the level should be at at his age) -luis turner revised the IQ test -stanford binet iq test is the test we know now -it involved verbal abilities that not all children have, so it can not be used at all ages (turner test) -Weschlers scales (WISC IV for children 6-16 yrs) also has the WPPSI III for 2-7 -test has 4 broad dimensions: verbal reasoning, spatial reasoning, working memory and processing speed and they all contain subsets -he was trying to provide a test that is much more culturally independent-culture free -infant intelligence: consists of measures of perceptual and motor performance -they are much more unreliable, they are not as cooperative -best known test in this is BSID-III -language scale infants ability to understand, can they follow simple directions, -motor scale- assessment of growth and gross motor ability-sitting, stacking fine motor ability -2 additional test: social emotional scale-behaviors of child how easy they are to soothe, can they imitate -adaptive behavior-asking the infants adaptation to daily life, how they get along with others, follow rules -bayley scale produces a development quotient(DQ) -DQ most of the infants tests used, don’t do well in predicting intelligence quotient -there is no relation between behavior and iq because the infants can easily get distracted and don’t fully show what they are capable of -bayley scales don’t predict what will happen in iq scale -DQ useful as a diagnositic tool for neurological means, if there any forms of retardation -infant attention, relate it to subsequent intelligence later on -ex: habituation data, there is reliable evidence that the speed of habituation predicts later iq -infants who show faster speed, tedn to have higher iq -preference for novelty, infants who show a preference knowledge strength have better iqs -they measure the infants ability to process info, and abstract and internalize this info The psychometric view of intelligence -what r we actually talking about -most psychologist agree, intelligence represents ability to solve problems,… -theer is no single definition because diff theories make diff assumptions about the origin, structure stability and nature of the skills that go into intelligence -psychometric view, standardize intelligence test, main goal is to produce reliable test to measure intelligence -check slides for four diff views -all def make diff assumptions about a few key components -ex: one has to do with origin and stability, is intelligence innate or acquired? -now there are a lot of answers and diff views of intelligence -is intelligence a single attribute or many attribute, many views imply it is a single attribute -all the knowledge one has acquired make 1 thing, but that 1 thing is made up of a bunch of things Factor analysis -correlational technique used for finding groups of items related to one another, but unrelated to other groups -ex: if you got # 1 right chances are u got # 5 right-correlation -ex: if you got2 right, means oyu got 3 5 right, but they don’t correlate with other # -take 10 items but them in groups, that are factors -test has 3 factors, verbal abilities, math, and spatial -intelligence test consists of a number of diff ind questions -researchers can factor analyse iq tests andsee how many factors come out, -intelligence is a single attribut, but if you see 3 diff factors,you’ll see theres 3 diff things that go into intelligence -all ind
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