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PSYC 310 > Lecture 2 > Flashcards

Lecture 2 Flashcards

1
Q

what does wisc stand for

A

weschler intelligence scale

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2
Q

what is included in the wisc

A

10 subtests and 4 indexes

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3
Q

what are the indexes

A

categories: Verbal comprehension, perceptual reasoning, working memory, processing speed

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4
Q

what are the ages in which differentiate adult vs child

A

child: 6-16
adult: 16-90

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5
Q

what did binet and simon do

A

conceived a test to identify children who needed special schooling

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6
Q

who came up with the concept of mental age that was later replaced by quotient

A

binet and simon

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7
Q

Terman - binet iq test did what with it

A

standardized the test with > 1000 children aged 4-14

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8
Q

david weschler did what

A

created a test for both adults and children

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9
Q

what differentiated weshlers test from binet

A

much more detail and comprehensive, added non-verbal

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10
Q

what does the verbal comprehension index measure

A

ones ability to comprehend verbal stimuli, reason with semantic material and communicate thoughts and ideas with words

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11
Q

vocabulary and information subtests are related to

A

crystalized knowledge

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12
Q

what is crystalized knowledge

A

the depth of a persons acquired knowledge of a culture and the effective application of this knowledge; reasoning

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13
Q

Perceptual reasoning index is composed of which four subtests

A

bloc design, matrix reasoning, visual puzzles (optional, figure weights and picture completion)

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14
Q

what is matrix reasoning

A

identifying a pattern and finding the missing component

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15
Q

how would you evaluate someone with a different second language

A

preferably in their more comfortable language

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16
Q

what is digit span forward

A

saying numbers and having to repeat them forward, backward, and in chronological order

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17
Q

what is vocabulary

A

visual support to help, then asking questions like what is a book and have them explain in their own words

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18
Q

arithmetic is what

A

math problem, only answer once and is timed

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19
Q

visual puzzle is what

A

giving them two minutes to find symbols, speed processing

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20
Q

information subtest

A

asking them trivia

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21
Q

figure weights subtest

A

balance with circles on them, have to make them equal (head math)

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22
Q

what are the core subtests to verbal comprehension

A

similarities, vocabulary, information

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23
Q

what are the core subtests to perceptual reasoning

A

block design, matrix reasoning, visual puzzles

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24
Q

what are the core subtests to working memory

A

digit span, arithmetic, letter number sequencing

25
Q

what are the core subtests to processing speed

A

symbol search, coding

26
Q

what does perceptual reasoning measure

A

fluid reasoning, perceptual organizational skills and visuoconstruction

27
Q

what might prevent someone from succeeding in perceptual reasoning

A

stroke or a neurodisorder

28
Q

working memory measured what

A

attention, concentration and working memory, ones ability to hold information

29
Q

what does processing speed index measure

A

speed of mental processing, using visual stimuli and graphomotor skills

30
Q

why is processing speed important to test someone

A

is important related to the efficient use of other cognitive abilities

31
Q

ravens matrices

A

puzzle like test (easy to engage) has better face validity, correlates highly with general IQ

32
Q

raven is ___ not ____

A

visual, verbal

33
Q

for the tables in percentiles - what numbers correlate with what

A

9 is average, 14 is above average

34
Q

very superior means

A

130+ IQ, 2.2 in normal curve

35
Q

superior means

A

120-129 IQ, 6.7 normal curve

36
Q

highe avergae means

A

110-119 IQ, 16.1 normal curve

37
Q

average means

A

90-109 IQ, 50 normal curve

38
Q

low average means

A

80-89 IQ, 16.1 normal curve

39
Q

borderline means

A

70-79 IQ, 6.7 normal curve

40
Q

extremely low means

A

69 and below IQ, 2.2 normal curve

41
Q

IQ=

A

your score vs mean from population or average score for someone your age

42
Q

we need SD to interpret what

A

the raw scores

43
Q

why do we mention confidence interval?

A

accounts for any error, 95% chance it is between those

44
Q

what is validity

A

are you testing what you meant to test

45
Q

what is reliability

A

can you get the same results every time, with different times and different people

46
Q

are IQ scores reliable

A

not 100% but still good- varies iwth mood, effort

47
Q

does early iq predict young adult iq

A

usually IQ is stable over time so it is a good predictor

48
Q

how stable is IQ over lifespan

A

to show use raw scores and climate overtime is seen to

49
Q

is IQ stable with age

A

familiarity effect- could be impacted by repeated concussions

50
Q

flynn effect

A

IQ gradually rises with each subsequent age group

51
Q

what is the average gain of iq per year

A

3 points per decade

52
Q

Comparing longitudinal versus cross section studies does not take into account

A

the cohort effect

53
Q

hypothetical causes…

A

to explain the increase in IQ points over time

54
Q

where do the norms from the test come from

A

wais 4 was standardized on a sample 2,200 people in the US from 16-90

55
Q

the median full scale IQ is… with a standard deviation of…

A

100, 15

56
Q

what might clinicians say the wais tells us

A

measures cognitive potential or neurological dysfunction, educational or vocational placement decisions, helps with diagnoses

57
Q

researchers might say what about the wais

A

measures general cognitive functioning of the population and helps define participants

58
Q

wechsler defined intelligence as…

A

a global entity that is composed of qualitatively different abilities

PSYC 310 (13 decks)

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