Psychometrics

Question 1

uses anchor tests to provide link between other tests

Answer 1

Fixed reference groups

Question 2

how well test items represent behavior of interest

Answer 2

content validity

Question 3

coefficient alpha, kappa, test-retest reliability

Answer 3

internal test structure

Question 4

confirm if hypothesized factors actually do exist

Answer 4

confirmatory factor analysis

Question 5

create models that examine effects of variables

Answer 5

structural equation modeling

Question 6

how scores are related using other measures

Answer 6

nomothetic span

Question 7

test scores correlate to similar measures (ex: MMPI depression scale to Beck Depression Inventory)

Answer 7

convergent validity

Question 8

test scores do not correlate to scores from which they should differ

Answer 8

discriminant validity

Question 9

scores accurately estimate individual’s current position in criterion

Answer 9

concurrent validity

Question 10

scores estimate outcome measures at later date

Answer 10

predictive validity

Question 11

correlation between test and criterion

Answer 11

validity coefficient

Question 12

differences in size of correlations between predictors for members of different groups

Answer 12

differential validity

Question 13

correlate items with the total test score

Answer 13

item reliability index

Question 14

compares performance of subjects in upper and lower regions of total sample by item

Answer 14

item discrimination index

Question 15

correlate total score with outside criterion by item (ex: GPA with SAT)

Answer 15

item validity index

Question 16

under or overpredicts performance of particular group

Answer 16

intercept bias

Question 17

expert panel makes judgements on how person with trait would respond to a given item

Answer 17

Angoff method