Chapter 9 Testing Flashcards

(49 cards)

1
Q

Intelligence tests

A

measure general mental ability

potential rather than previous learning
Stanford-Binet IT
Wexler Adult Intelligence Scale

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2
Q

aptitude tests

A

assess specific types of mental abilities (also measures potential more than previous knowledge)

differential aptitude test: verbal reasoning, numerical ability, spelling, language use, abstract reasoning, perceptual speed and accuracy, mechanical reasoning, spatial reasoning etc…

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3
Q

achievement tests

A

gauge a person’s mastery and knowledge of a various subject (previous learning)

reading, spelling, arithmetic

measures at grade equivalents: I’m reading at 10th grade level

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4
Q

personality tests

A

measure various aspects of motives, personality, including motives interests values attitudes

tend to call these scales cuz there’s no right or wrong

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5
Q

self report test

A

(personality test) is a questionnaire that can have a measure of a lot of traits or just one

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6
Q

projective tests

A

projective tests take an indirect approach and use vague ambiguous stimuli that reveals the subjects needs, feelings and traits

Rorschach test is an example

Thematic apperception is a picture and subjects are asked to describe it – what are the characters feeling

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7
Q

standardization

A

refers to the uniform procedure used in the administration and scoring of a test

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8
Q

test norms

A

provide information about where a score on a psychological test ranks in relation to other scores on on the test

compare against other people and gives you the percentile

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9
Q

a percentile score

A

indicates the percentage of people who score at or below the score one has obtained

based on a standardization group , which is a carefully selected test group of about 6000 others with similar background to the one being tested

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10
Q

reliability refers to

A

the measurement consistency of a test

one way to do this is to repeat the test a few weeks apart (test retest reliability)

the closer it is to +1 on the correlation coefficient then the more reliable a test is but over +.7 is in the ballpark

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11
Q

validity refers to

A

the ability of a test to measure what is was designed to measure

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12
Q

3 types of validity

A

content validity
criterion-related validity
construct validity

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13
Q

content validity refers to

A

the degree to which the content of a test is representative of the domain it’s supposed to cover

eg a poorly written Psychology exam has bad content validity

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14
Q

criterion-related validity is

A

estimated by correlating subjects’ scores on a test with their scores on an independent criterion of the trait assessed by the test

eg. a test measures how good a pilot you’ll make and then you become a pilot and measure the correlation between the test and performance in their training, this will show the criterion related validity

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15
Q

construct validity refers to

A

the extent to which there is evidence that a test measures a particular hypothetical construct

basically how the test is constructed/broken down

is the cake tasty?

is the appearance beautiful?

as opposed to just rate my cake…

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16
Q

Summarize the contributions of Galton

A

believed intelligence was passed on genetically ( he was darwin’s cousin)

tried to test intelligence based on sensory sensitivity

tests were unsuccessful and not related to what he was testing

he coined nature vs nurture

also came up with concepts of percentile and correlation

set the stage for Binnet

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17
Q

Summarize the contributions of Binnet

A

commissioned to come up with a standardized test to be able to give kids with special needs attention

standardized test would rectify teacher bias

Along with Theodore Simon in 1905 he came up with the test that was capable of
predicting children’s performance in school pretty well

inexpensive and easy to administer and was able to predict children’s performance pretty accurately so it spread throughout EU and NA

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18
Q

mental age indicate that

A

he or she displayed the mental ability typical of a child of that chronological (actual) age
revised in 1908 and 1911 when he died

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19
Q

who built on the Binet test?

A

Terman. Stanford-Binet Intelligence Scale (1916)

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20
Q

calculation for intelligence quotient (IQ)

A

mental age divided by actual age x 100

21
Q

purpose of IQ scores

A

put all kids on the same scale

22
Q

Wechsler contribution

A

found the Stanford Binet limited for adults so he came up with an adult IQ test in 1939

Wechsler Adult intelligence scale
then made a version for kids

less dependent on verbal skills than Stanford-Binet

more on non–verbal reasoning

computation of separate scores for verbal IQ, performance (non-verbal) IQ, and full scale (total IQ)

23
Q

Computation of Wechsler test

A

he discarded the IQ in favor of a new scoring scheme based on normal distribution and even though the term lingers on the scores are not based on quotient (normal distr. being the mean in the centre of the bell curve)

standard deviation measure of variability serves as the unit of measurement

68% of scores fall within plus or minus 1 standard deviation of the mean (so in IQ score terms that’s 15 points)

95% fall within plus or minus 2 standard deviations of the mean (in IQ terms that is 30 points)

99% within 3 (in IQ that is 45 points)
this scoring mechanism has been adopted by most other IQ tests (including Stanford-Binet)

24
Q

What kinds of questions are found on intelligence tests?

25
Binet (1905) defined intelligence in terms of an individual’s capacity to do the following:
find and maintain a definite direction or purpose adjust strategy, if necessary, to achieve that purpose, and evaluate and criticize the strategy so that necessary components could be made
26
translate IQ score into percentile
100 is mean so 100 is 50th percentile and 145 is 99.9th percentile 85 is in the 16th percentile 115 is 84 percentile scoring system created by David Wechsler
27
Do intelligence tests have adequate reliability?
YES to a correlation of +0.90 but low motivation/high anxiety person may have poorly represented scores, so some kids in these situation may score a lot higher on a subsequent test with an examiner who makes them feel more comfortable caution is in order when interpreting the scores
28
Do intelligence tests have adequate validity?
yes for academic work predictions but questionable for intelligence in a broader sense
29
Do intelligence tests predict vocational success?
people who score high on IQ tests are more likely to end up in a high status job than people who scored low but only to a .37 correlation IQ and income is even lower at .21 correlation there is substantial correlation between IQ and job performance .50 not really a strong indicator for hiring employees especially if the employees are minorities
30
Are IQ tests widely used in other cultures?
yes in western/european, no in rest of the world some exceptions like Japan, yes but no in china, india differences in cognition and language so test doesn't translate they also emphasize different qualities to measure intelligence
31
Summarize evidence from twin studies and adoption studies on whether heredity affects intelligence
studies have been done for identical reared together and apart and identical still wins out over fraternal reared together presumably because of genetic makeup if adoptive children resemble their biological parents who never raised them then it is presumed that genetics have a play if they resemble the adoptive parents, then environmental factors influenced the trait. they are usually similar at .24 correlation adoptive siblings (from different bio parents but living with same foster parents) have a correlation of .30 which indicates environmental factors
32
What does the heritability ratio?
an estimate of the proportion of trait variability in a population that is determined by variations in genetic inheritance eg: height is at 90 percent, weight is at 85 heritability for intelligence vary considerably experts tend to hover around 50%
33
What is the Flynn effect?
people have gotten generally better at the IQ test since the 30s they don't really understand why, so they attribute the "flynn effect" on environmental factors
34
define reaction range
(Sandra Scarr) refers to the genetically determined limits on IQ genetic limits place an upper limit on a person's IQ and that can't be exceeded even when environment is ideal same for lower though there are circumstances like being locked in an attic for ten years that would affect the low measurement it's about a 20 point potential i.e. you are born with a sliding scale of 20 points in either direction based on whether or not you are placed in a favorable or unfavorable environment
35
Describe the three explanations for cultural differences in IQ scores
socioeconomic disadvantage stereotype threat Cultural basis/bias
36
Describe Galton's theory
intelligence is a heredity thing that asians are the smartest and black the dumbest with whites in the middle, but the research has been fraught with flaws and criticism
37
socioeconomic disadvantage
children tend to grow up in deprived environments that create a disadvantage bigger families or single parents exposed to fewer books, supplies, less privacy to focus, and less parental supervision/help poorer role models for language development less pressure, expectation to do well, worse schools crime, drug gang infested so they develop more street smarts ``` malnutrition, environmental toxins so they tend to run 15 % lower than middle/upper class kids ``` this is all true even if race is factored out completely with just whites in the group
38
stereotype threat
derogatory stereotypes create unique feelings of vulnerability in the educational arena (Claude Steele) these feelings can undermine a group members performance on a test they have belonging uncertainty they are keenly aware of the subtle climate of negative stereotypes worried that others will attribute their failure to racial inferiority women feel the same against male dominated fields: engineering, tech met with suspicion when they prove them wrong and met with reinforcement of negative stereotype when they fail it undermines their emotional investment in academic work "doing well in school requires a belief that school achievements can be a promising basis for self-esteem and that belief needs constant reaffirmation even for advantaged students" when the opposite happens students begin to "disidentify" with school and performance/results suffer
39
how does stereotype vulnerability affect test taking on a physiological level?
the test makes one's stereotype vulnerability particularly salient and and the anxiety might temporarily disrupt cognitive function stress/pre-frontal inhibit actively monitor performance (my stage freight) (expending energy) inhibit/suppress negative thoughts (again my stage freight) (expending energy) all 3 contribute to lower executive resources needed for task performance these distractions hijack working memory
40
Cultural basis/bias
IQ tests are constructed by white, middle class psychologists, they naturally draw on experience typical of their lifestyle creating a disparity in exposure to information
41
correlation between bigger brains and intelligence?
yes at .35 white is myelenation of axons so more efficient, grey is for more neural pathways association is a little stronger for grey matter
42
Describe Sternberg’s theories of intelligence
triarchic theory measures analytic: analyse, critique and evaluate creative: discover, invent, create practice: apply, utilize, implement his work came out of the fact that he tested really low on IQ as a child then had a great teacher in grade 4 who turned it around and he is brilliant now context: means that hunting skills may be more important in some cultures while language is important in ours experiential: the ability to effectively deal with novelty new tasks/demands/situations componential: is broken down into 3 sub categories meta components, performance components and knowledge acquisition more intelligent subjects tend to spend more time figuring out how to represent a problem and planning a solution than less intelligent
43
3 types of intelligence according to Sternberg
analytical: requires abstract reasoning, evaluation/judgement good for schoolwork and similar to IQ test creative: ability to generate new ideas and be inventive in dealing with new problems practical intelligence: deal with the kinds of problems you encounter in your everyday life learning what one needs to know to work in an environment that is not explicitly taught or verbalized says that all the aforementioned influence one another
44
Describe Gardner’s theories of intelligence
IQ focuses on language and math too much he concluded that humans eight intelligences: ``` logic/math linguistic music spatial bodily-kinesthetic interpersonal intrapersonal naturalist + maybe a bonus of existential intelligence but that one is not really considered with evidence ```
45
Explain how Weiten and McCann (2013) use three of the unifying (integrative) themes in their study of intelligence
cultural factors shape behaviour: testing is largely a western world thing within the west, different ethnic groups are affected differently by tests, largely to to socioeconomic disparity situations heredity and environment: that racist who said black people are dumber twin studies/family studies sociohistorical context: a lot of the racism in the test assessments were based on common views at the time
46
Describe creativity tests
They assess divergent thinking: how many uses can you come up for a newspaper if we didn't need to sleep, think of as many consequences Remote Associates Test (RAT) based on the assumption that creative people see unusual relationships and make non-obvious connections
47
Summarize how well creative tests predict creative achievement
mediocre because they measure creativity as a general trait but creativity is largely particular to domain ``` also hard to predict creativity because it depends on so many factors such as motivation personality intelligence training mentoring good fortune ``` workaholics tens to succeed because they show perseverance in the face of setbacks - do not give up easily Sternberg says that creativity is in large part a decision as in people often have to make a choice to defy conventional thinking
48
Describe the associations between creativity and personality, intelligence, and mental illness
no single personality type but modest correlations with certain traits mental illness: yes very common among highly creative in particular depression especially elevated among poets accumulating data may point to a strong correlation but perhaps not causally related
49
reification occurs when
a hypothetical, abstract concept is given a name and then treated as though it were a concrete, tangible object i.e. intelligence is not a tangible thing but it is treated as though it is...it is moreover a concept