Measurement and Methodology-Psychometrics, Test Construction, Reliability, Validity (GRE Psychology): Questions 17 - 20 of 43
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Question number: 17
» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity
Question
A researcher is studying the effect of diet on depression. The hypothesis is that a diet high in carbohydrates will help to alleviate the symptoms of depression. The group being studied is a random group of depressed inpatients. Every other day the subjects fill out the depression symptoms inventory. In the above study, the symptom inventory provides information about the
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | independent variable |
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| b. | dependent variable |
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| c. | interaction effect |
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| d. | control variable |
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Question number: 18
» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity
Question
The proportion of people accurately identified by a test as having a particular trait, behavior, characteristic, or attribute is referred to as a
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | all of the above. |
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| b. | hit rate. |
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| c. | accuracy rate. |
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| d. | trait rate. |
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Question number: 19
» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity
Question
The independent variable is the variable that
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | the researcher tries to predict |
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| b. | is manipulated by the researcher |
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| c. | is defined in a way that can be observed and measured |
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| d. | cannot be controlled |
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Question number: 20
» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity
Question
With regard to adjusting test scores by group membership, Gottfredson has argued that
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | such adjustments must be made if society is to progress. |
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| b. | tools of measurement must not be blamed for group differences. |
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| c. | adverse impact must be prevented by means of differential scoring. |
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| d. | all of the above. |
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