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Case Study

Explain how this scenario illustrates both the qualitative critique of quantitative research and the quantitative response to that critique.

Case context: A developmental psychologist plans to study parent-child relationship quality by counting the number of times a parent smiles at their child during a 10-minute play session. A qualitative colleague criticizes the plan, stating that counting smiles ignores the rich complexity of the relationship. The psychologist agrees that the count is an oversimplification, but argues it is necessary to identify broader patterns across hundreds of families.

Question: Explain how this scenario illustrates both the qualitative critique of quantitative research and the quantitative response to that critique.

Sample answer: The qualitative colleague's criticism illustrates the critique that quantitative research oversimplifies phenomena by focusing only on easily quantifiable variables (counting smiles) and overlooking the richness of human experience (the complex parent-child relationship). The developmental psychologist's response represents the quantitative defense: acknowledging this oversimplification but defending it as a deliberate strategy to uncover broad, general principles (broader patterns across families).

Key points:

  • The colleague's concern represents the qualitative critique of overlooking the rich complexity of human behavior.
  • The use of smile counts represents the quantitative focus on easily quantifiable variables and simple questions.
  • The psychologist's agreement demonstrates the quantitative researchers' awareness and acknowledgment of oversimplification.
  • The psychologist's final justification demonstrates the quantitative strategy of utilizing simplification to uncover general principles.

Rubric: The answer should clearly link the case details to the theoretical concepts in the text. Specifically, the student must explain how counting smiles represents simplification of a complex relationship (the qualitative critique) and how the psychologist's justification represents using simplification to find general patterns (the quantitative defense).

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Updated 2026-05-26

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Research Methods in Psychology - 4th American Edition @ KPU

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