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A survey researcher notices that young adults are dropping out of their longitudinal study at higher rates than older adults. To address the potential non-response bias, the researcher must decide between allocating budget funds to aggressively re-contact the young adults or using the budget to hire a statistician to correct the data post-collection. Which option should the researcher choose, and what methodological principle justifies this decision?
Question: A survey researcher notices that young adults are dropping out of their longitudinal study at higher rates than older adults. To address the potential non-response bias, the researcher must decide between allocating budget funds to aggressively re-contact the young adults or using the budget to hire a statistician to correct the data post-collection. Which option should the researcher choose, and what methodological principle justifies this decision?
Sample answer: The researcher should allocate the funds to aggressively re-contact the young adults in order to maximize the overall response rate. This decision is justified by the principle that proactively preventing non-responders is mathematically and methodologically superior to post-hoc statistical corrections, since corrections rely on assumptions about the missing young adults that might be entirely incorrect.
Key points:
- Allocate budget funds to aggressively re-contact the young adults.
- Proactively reducing the number of non-responders is the superior approach.
- Post-data statistical corrections rely on assumptions that might be incorrect.
Rubric: Full credit is given for selecting the proactive strategy (allocating funds to re-contact young adults) and explicitly stating that statistical corrections rely on potentially false assumptions about the non-responders.
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Research Methods in Psychology - 4th American Edition @ KPU
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A survey researcher notices that young adults are dropping out of their longitudinal study at higher rates than older adults. To address the potential non-response bias, the researcher must decide between allocating budget funds to aggressively re-contact the young adults or using the budget to hire a statistician to correct the data post-collection. Which option should the researcher choose, and what methodological principle justifies this decision?