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Imagine you are developing a new self-report questionnaire to measure stress levels. Applying the specific research logic used in the MacDonald and Martineau study, briefly describe (in one to three sentences) how you could use an experimental manipulation to demonstrate the criterion validity of your new stress measure.
Question: Imagine you are developing a new self-report questionnaire to measure stress levels. Applying the specific research logic used in the MacDonald and Martineau study, briefly describe (in one to three sentences) how you could use an experimental manipulation to demonstrate the criterion validity of your new stress measure.
Sample answer: To demonstrate criterion validity, I would instruct one group of participants to perform a highly stressful task (like giving a public speech) and another group to sit quietly in a calm room. I would then administer the new stress questionnaire to both groups. If the stressed group scores distinctly higher than the calm group, it would demonstrate that the manipulation worked and that my new measure possesses criterion validity.
Key points:
- Propose an experimental manipulation that divides participants into two distinct groups based on stress.
- Administer the new questionnaire to both groups.
- State that observing distinct differences in scores consistent with the manipulation demonstrates criterion validity.
Rubric: The student must propose an experimental manipulation that creates two distinct states (e.g., high stress vs. low stress) and state that observing different scores on the new measure between these two groups would provide evidence of criterion validity.
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Research Methods in Psychology - 4th American Edition @ KPU
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Describe the specific method MacDonald and Martineau used to manipulate the moods of their participants, and explain the two main conclusions they drew from the distinct difference in scores between the two experimental groups. Please provide a concise analytical response.
Based on the logic of the MacDonald and Martineau study, how should you explain to this student why the distinct difference in scores between the two groups serves as evidence for criterion validity?
Imagine you are developing a new self-report questionnaire to measure stress levels. Applying the specific research logic used in the MacDonald and Martineau study, briefly describe (in one to three sentences) how you could use an experimental manipulation to demonstrate the criterion validity of your new stress measure.