Transferability refers to the degree to which the results of qualitative research can be generalized to other contexts or settings.
a. True
b. False
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In an experimental study of the effects of exercise on stress, subjects are randomly assigned to either the no exercise or the exercise conditions. Identify what type of study this isbetween-, within-, or matched-subjects. In addition, identify the independent and dependent variables and the control and experimental groups.
What will be an ideal response?
Convenience sampling involves selecting individuals who are easy to recruit.
a. True
b. False
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Dependability refers to the degree to which the results can be corroborated by others.
a. True
b. False
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A health magazine recently reported a study in which researchers claimed that iron supplements increased memory and problem-solving abilities in a random sample of college women. All of the women took memory and problem-solving tests at the beginning of the study, then took iron supplements, and then took the same tests again at the end of the study. What is wrong with this design? What confounds could be leading to the results of improved memory and problem-solving skills?
What will be an ideal response?
The most commonly used sampling methods in psychology are nonprobability sampling methods.
a. True
b. False
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All quantitative data are based on qualitative judgment.
a. True
b. False
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For an independent-groups t test, the value of Cohen's d describes
a. the size of the treatment effect.
b. the chance of a Type I error.
c. the chance of a Type II error.
d. the overall chance level in the experiment.
When a researcher wants a sample to accurately represent the composition of the population, the best strategy is to use stratified random sampling.
a. True
b. False
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All qualitative data can be coded quantitatively.
a. True
b. False
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