Test Yourself
Take this quiz and see how you do. Select the correct answers by using the drop down menus. Once you are done, click submit to see your score! The ones that you get wrong will have a check!
1. Relative to an unreliable measure, a reliable measure is less likely to be affected by
-- Choose an answer --
a. Bias
b. Random error
2. Valid measures are reliable.
-- Choose an answer --
a. True
b. False
3. A reliable measure would have a test-retest coefficient above +1.00.
-- Choose an answer --
a. True
b. False
4. If a measure has a test-retest correlation coefficient of +.80, no more than 20% of the variability in the scores is due to random error.
-- Choose an answer --
a. True
b. False
5. Interobserver reliability puts a ceiling on test-retest reliability.
-- Choose an answer --
a. True
b. False
6. If you have a multiple-choice measure, you should calculate its inter-observer reliability.
-- Choose an answer --
a. True
b. False
7. Internal consistency is an index of inter-observer reliability.
-- Choose an answer --
a. True
b. False
8. Adding questions to a measure will increase its internal consistency.
-- Choose an answer --
a. True
b. False
9. A median inter-item correlation of .35 indicates a higher degree of internal consistency than a Cronbach´s alpha of .50.
-- Choose an answer --
a. True
b. False
10. Split-half reliability is a good index of a measure´s overall reliability.
-- Choose an answer --
a. True
b. False
11. Inter-item correlations are a good way to assess the extent to which random
observer
error affects your multiple-choice measure.
-- Choose an answer --
a. True
b. False
12. Reliability guarantees validity.
-- Choose an answer --
a. True
False
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