PSYC 255 QUIZ 3 2026 PRACTICE TEST SHEET
FULL SOLUTIONS CORRECT ANSWERS
GUARANTEED PASS
◉ Frequency claim.
Answer: 1 measured variable
◉ Association claim.
Answer: 2 or more measured variables
◉ Causal claim.
Answer: 1 independent and 1 dependent variable
◉ Construct validity.
Answer: important in all types of claims
◉ Statistical validity.
Answer: Just know this is one of the 4 validities
◉ Internal validity.
Answer: No alternative causal explanations for the outcome
,◉ External validity.
Answer: To whom, what, where can we generalize?
◉ Nominal.
Answer: Putting subjects in categories
◉ Ordinal.
Answer: Ranked, unevenly spaced
◉ Interval.
Answer: Ranked, evenly spaced without meaningful zero
◉ Ratio.
Answer: Ranked, evenly spaced with meaningful zero
◉ Face validity.
Answer: appears to reflect construct
◉ Criterion validity.
Answer: associated with actual behavior it should predict
, ◉ Content validity.
Answer: linked to universe or content that defines construct; experts
say it is a good representation compared to past research
◉ Convergent validity.
Answer: scores related to other measures of same construct
◉ Discriminant validity.
Answer: measure is not related to variables it shouldn't be related to
◉ Divergent validity.
Answer: measure of x should not be related to measure of a, b, or c
◉ Tests-retest reliability.
Answer: test now and later with consistent concepts such as IQ, not
like mood
◉ Internal consistency reliability.
Answer: multiple items to be measured
◉ Split half.
FULL SOLUTIONS CORRECT ANSWERS
GUARANTEED PASS
◉ Frequency claim.
Answer: 1 measured variable
◉ Association claim.
Answer: 2 or more measured variables
◉ Causal claim.
Answer: 1 independent and 1 dependent variable
◉ Construct validity.
Answer: important in all types of claims
◉ Statistical validity.
Answer: Just know this is one of the 4 validities
◉ Internal validity.
Answer: No alternative causal explanations for the outcome
,◉ External validity.
Answer: To whom, what, where can we generalize?
◉ Nominal.
Answer: Putting subjects in categories
◉ Ordinal.
Answer: Ranked, unevenly spaced
◉ Interval.
Answer: Ranked, evenly spaced without meaningful zero
◉ Ratio.
Answer: Ranked, evenly spaced with meaningful zero
◉ Face validity.
Answer: appears to reflect construct
◉ Criterion validity.
Answer: associated with actual behavior it should predict
, ◉ Content validity.
Answer: linked to universe or content that defines construct; experts
say it is a good representation compared to past research
◉ Convergent validity.
Answer: scores related to other measures of same construct
◉ Discriminant validity.
Answer: measure is not related to variables it shouldn't be related to
◉ Divergent validity.
Answer: measure of x should not be related to measure of a, b, or c
◉ Tests-retest reliability.
Answer: test now and later with consistent concepts such as IQ, not
like mood
◉ Internal consistency reliability.
Answer: multiple items to be measured
◉ Split half.
