Analyze how the inability to manipulate variables like a participant's culture or number of siblings influences a researcher's decision to use group research.
Question: Analyze how the inability to manipulate variables like a participant's culture or number of siblings influences a researcher's decision to use group research.
Sample answer: Because researchers cannot manipulate a participant's culture or number of siblings, they cannot introduce or remove these variables within a single subject to observe an effect. Therefore, they are required to use group research to compare different groups of individuals who already possess varying categories of these non-manipulable independent variables.
Key points:
- Non-manipulable variables cannot be altered by a researcher.
- This inability to manipulate prevents introducing changes within a single individual to test an effect.
- Group research is required to compare individuals who naturally differ on these variables.
Rubric: Answers should connect the inability to manipulate variables directly to the necessity of group research, explaining that since a trait cannot be altered to observe an effect in one individual, comparisons must be made across different groups.
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Research Methods in Psychology - 4th American Edition @ KPU
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