Validity Lecture 3

Descripción

(Lecture 4: Validity) PSYC3020 Test sobre Validity Lecture 3, creado por chanelle.narayan el 08/10/2014.
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Test por chanelle.narayan, actualizado hace más de 1 año
chanelle.narayan
Creado por chanelle.narayan hace alrededor de 10 años
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Resumen del Recurso

Pregunta 1

Pregunta
What are constructs?
Respuesta
  • Unobservable, underlying already existing traits or characteristics that we can try and measure directly using tests
  • Observable, underlying hypothetical traits or characteristics that we can try and measure indirectly using tests
  • Observable, underlying already existing traits or characteristics that we can try and measure indirectly using tests
  • Unobservable, underlying hypothetical traits or characteristics that we can try and measure indirectly using tests

Pregunta 2

Pregunta
Statement 1: construct under-representation is the variation in an underlying construct that that is not captured by the measure Statement 2: construct irrelevant variance is the variance that is not related to to the construct that is captured by the measure
Respuesta
  • Statement 1: false Statement 2: true
  • Statement 1: true Statement 2: false
  • Both are true
  • Both are false

Pregunta 3

Pregunta
Statement 1: opinion-base validity measures include face and content validity Statement 2: a measure with high validity has a small overlap between construct under-representation and construct irrelevant variance
Respuesta
  • Statement 1: false Statement 2: true
  • Both are true
  • Statement 1: true Statement 2: false
  • Both are false

Pregunta 4

Pregunta
Statement 1: tests may have good face validity without any actual validity Statement 2: tests may have poor face validity while still having good actual validity
Respuesta
  • Statement 1: false Statement 2: true
  • Both are true
  • Both are false
  • Statement 1: true Statement 2: false

Pregunta 5

Pregunta
What type of validity is the following example demonstrating: a 3020 exam could have reasonable empirically-based validity without actually including any PSYC3020 content
Respuesta
  • Content validity
  • Face validity
  • Criterion validity
  • Convergent validity

Pregunta 6

Pregunta
How is content validity measured?
Respuesta
  • By getting novices and experts to both take the tests and comparing the differences
  • By getting the test-takers to rate how relevant the measure is to the construct
  • By getting experts to rate each question
  • By doing a factor analysis

Pregunta 7

Pregunta
Statement 1: measurements that are reliable are also valid Statement 2: on the other hand, one can have a valid test if it is unreliable
Respuesta
  • Both are true
  • Statement 1: true Statement 2: false
  • Statement 1: false Statement 2: true
  • Both are false

Pregunta 8

Pregunta
What is the difference between non-random attrition and self-selection?
Respuesta
  • Non-random attrition: certain types of people dropping out of a longitudinal study Self-selection: only certain types of people are in your sample in the first place
  • Non-random attrition: different types of people dropping out of a longitudinal study Self-selection: random selection of people are in your sample
  • Non-random attrition: only certain types of people are in your sample in the first place Self-selection: certain types of people dropping out of a longitudinal study
  • Non-random attrition: random selection of people are in your sample Self-selection: certain types of people dropping out of a cross-sectional study

Pregunta 9

Pregunta
Statement 1: two factors that restrict the range of scores in a validity study is non-random attrition and self-selection Statement 2: the validity coefficient always has to be above .70
Respuesta
  • Statement 1: false Statement 2: true
  • Statement 1: true Statement 2: false
  • Both are true
  • Both are false

Pregunta 10

Pregunta
Statement 1: in criterion validity a method of contrasted groups is defined as test scores of groups of people varying as expected Statement 2: criterion validity involves a 'criterion' that is a standard against which a test is evaluated
Respuesta
  • Statement 1: false Statement 2: true
  • Statement 1: true Statement 2: false
  • Both are true
  • Both are false

Pregunta 11

Pregunta
What is criterion contamination?
Respuesta
  • The criterion that is being used to assess validity undermines the logic of criterion validity because the test scores of groups of people did not vary as expected
  • The criterion that is being used to assess validity undermines the logic of criterion validity because it failed to achieve high ratings from experts
  • The criterion that is being used to assess validity is determined after the test has been taken which undermines the logic of criterion validity
  • The criterion that is being used to assess validity is pre-determined by the test which undermines the logic of criterion validity

Pregunta 12

Pregunta
Statement 1: Concurrent validity is where a number of different predictors (tests) are used together Statement 2: it is unimportant for both the test and its criterion to have decent reliability because the reliability is irrelevant to the size of the validity coefficient
Respuesta
  • Statement 1: true Statement 2: false
  • Both are true
  • Statement 1: false Statement 2: true
  • Both are false

Pregunta 13

Pregunta
Statement 1: incremental validity is how much each individual predictor adds to predicting the criterion in addition to the effect of other predictors Statement 2: predictive validity is a subset of criterion validity where the test is trying to predict what the criterion will be at some future time
Respuesta
  • Both are true
  • Both are false
  • Statement 1: true Statement 2: false
  • Statement 1: false Statement 2: true

Pregunta 14

Pregunta
Statement 1: There is no difference between discriminant and divergent validity Statement 2: for incremental validity if two predictors are highly correlated then you should include both as each one is adding predictive power beyond the other
Respuesta
  • Both are true
  • Statement 1: true Statement 2: false
  • Statement 1: false Statement 2: true
  • Both are false

Pregunta 15

Pregunta
Statement 1: convergent validity is when test scores correlated with other measures of the same thing Statement 2: discriminant/divergent validity is when tests scores do not correlate highly with measures that are not supposed to measure the same construct
Respuesta
  • Both are true
  • Statement 1: false Statement 2: true
  • Both are false
  • Statement 1: true Statement 2: false

Pregunta 16

Pregunta
What is the Wechsler Intelligence Scale for Children (WISC-IV)?
Respuesta
  • A test designed for children aged 10+ which contains 10 core subtests arranged into two groups (verbal comprehension, perceptual reasoning)
  • A test designed for children aged 10+ which contains 10 core subtests arranged into four groups (verbal comprehension, perceptual reasoning, long-term memory, processing speed)
  • A test designed for children aged 6-16 which contains 10 core subtests arranged into two groups (long-term memory, processing speed)
  • A test designed for children aged 6-16 which contains 10 core subtests arranged into four groups (verbal comprehension, perceptual reasoning, working memory, processing speed)

Pregunta 17

Pregunta
What is factor analysis?
Respuesta
  • Mathematical techniques are used to group items into clusters on the basis of how much they fail to correlate with each other
  • Mathematical techniques are used to group items into clusters on the basis of how much they correlate with each other referred to as internal structure
  • Mathematical techniques are used to group items into clusters on the basis of how much they correlate with each other and most of the time produce high correlations
  • Mathematical techniques are used to group items into clusters on the basis of how much they correlate with each other and most of the time produce low correlations
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