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| 1 | |
When a measurement of a psychological variable is consistent or stable, it is __________. |
| | A) | valid |
| | B) | reliable |
| | C) | reactive |
| | D) | both a and c |
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| 2 | |
Mary weighed herself and the scale reading was 120 pounds. A few minutes later she weighed herself again and the same scale showed she weighed 125 pounds. The scale is __________. |
| | A) | reactive |
| | B) | predictive |
| | C) | unreliable |
| | D) | invalid |
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| 3 | |
One way to assess the stability of measures is by computing a Pearson __________. |
| | A) | coefficient criterion |
| | B) | linear coefficient |
| | C) | correlation coefficient |
| | D) | coefficient of determination |
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| 4 | |
A correlation of 0.00 means that the two variables are __________. |
| | A) | not related at all |
| | B) | strongly related |
| | C) | negatively related |
| | D) | positively related |
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| 5 | |
Which of the following indicates the strongest correlation? |
| | A) | +0.48 |
| | B) | -0.98 |
| | C) | +0.55 |
| | D) | -0.02 |
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| 6 | |
When you read about reliability in an article, the correlation between two test scores will usually be referred to as the __________ coefficient. |
| | A) | score |
| | B) | internal |
| | C) | reliability |
| | D) | significance |
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| 7 | |
A group of students took a cognitive development test on Monday and then took the same test again the following week. Most likely, researchers were assessing the __________ reliability of the measure. |
| | A) | test-retest |
| | B) | split-half |
| | C) | odd-even |
| | D) | inter-item |
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| 8 | |
Which of the following statements about test-retest reliability is FALSE? |
| | A) | The reliability coefficient of a measure should be at least .80 before the measure is accepted as reliable. |
| | B) | Sometimes test-retest reliability is artificially high because people remember how they answered the first time. |
| | C) | Test-retest reliability is the best form of reliability measurement. |
| | D) | Test-retest reliability is very useful if the variable being measured is expected to stay constant over time. |
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| 9 | |
Which of the following is an indicator of the internal consistency reliability of a measure? |
| | A) | split-half reliability |
| | B) | Cronbach's alpha |
| | C) | inter-rater reliability |
| | D) | both a and b |
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| 10 | |
When two raters observe the same behaviors, the extent to which their observations are in agreement is called __________. |
| | A) | split-half reliability |
| | B) | Chronbach's alpha |
| | C) | item-total correlations |
| | D) | inter-rater reliability |
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| 11 | |
__________ validity refers to the adequacy of the operational definition of variables. |
| | A) | Operational |
| | B) | Construct |
| | C) | Measurement |
| | D) | Reliable |
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| 12 | |
Dr. L reviewed a measurement scale designed to measure extroversion and said that it appeared to measure extroversion. The measure has __________ validity. |
| | A) | face |
| | B) | internal |
| | C) | convergent |
| | D) | predictive |
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| 13 | |
__________ validity is demonstrated when a measure is NOT related to variables with which it should not be related. |
| | A) | Convergent |
| | B) | Concurrent |
| | C) | Differentiation |
| | D) | Discriminant |
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| 14 | |
If participants change their behavior because they know their behavior is being measured, the measure is said to be __________. |
| | A) | systematic |
| | B) | reactive |
| | C) | predictive |
| | D) | conducive |
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| 15 | |
One question on a student survey asked respondents to indicate their grade point average by circling A, B, C, D, or F. This measure of grade point average is an example of a ___________ scale. |
| | A) | nominal |
| | B) | ordinal |
| | C) | interval |
| | D) | ratio |
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| 16 | |
A reliable measure yields a score that |
| | A) | contains little measurement error. |
| | B) | a low true score. |
| | C) | a negative Pearson product-moment correlation coefficient. |
| | D) | a negative Cronbach's alpha. |
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| 17 | |
Dr. Jones is interested in creating a shorter version of an existing questionnaire. How can she determine which items from the longer questionnaire should be removed? |
| | A) | conduct a split-half reliability |
| | B) | calculate Cronbach's alpha |
| | C) | conduct an item-total correlation |
| | D) | calculate Cohen's Kappa |
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| 18 | |
Internal consistency reliability is to Cronbach's alpha as interrater reliability is to |
| | A) | Spearman-Brown reliability coefficient. |
| | B) | Pearson product moment correlation coefficient. |
| | C) | then item-total correlation. |
| | D) | Cohen's Kappa. |
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| 19 | |
In validity research, a behavior is called a(n) |
| | A) | coefficient. |
| | B) | criterion. |
| | C) | alpha. |
| | D) | ratio. |
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| 20 | |
Bill goes out to a professor-rating website and gives his psychology teacher 2 of 4 stars. The star rating system used by this website is an example of a(n) _____ scale. |
| | A) | nominal |
| | B) | interval |
| | C) | ratio |
| | D) | ordinal |
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| 21 | |
A chemistry teacher reports test grades as 0 points (no items correct) to 50 points (all items correct). This is most clearly an example of a(n) _____ scale. |
| | A) | nominal |
| | B) | ratio |
| | C) | interval |
| | D) | ordinal |
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