Describe how researchers Darley and Latané operationalized the concept of 'diffusion of responsibility' in their laboratory study, and explain why their experimental design is considered to have high construct validity according to the provided text.
Question: Describe how researchers Darley and Latané operationalized the concept of 'diffusion of responsibility' in their laboratory study, and explain why their experimental design is considered to have high construct validity according to the provided text.
Sample answer: Darley and Latané operationalized 'diffusion of responsibility' by manipulating the number of potential helpers present in a laboratory setting during a staged crisis. This design achieved high construct validity because it directly and clearly translated their conceptual research question—whether the presence of others reduces the likelihood of helping—into a measurable manipulation by varying group size during an emergency.
Key points:
- Operationalized diffusion of responsibility by manipulating the number of potential helpers.
- Conducted the study in a laboratory setting where a crisis was created.
- Achieved high construct validity by directly translating the conceptual research question into the group size manipulation.
Rubric: The response must correctly identify that the independent variable manipulated was the number of potential helpers in a laboratory setting during a crisis. It must also explain that construct validity was high because the manipulation directly and clearly translated the conceptual research question into a measurable design.
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Research Methods in Psychology - 4th American Edition @ KPU
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A peer reviewer must decide whether a new bystander experiment achieves construct validity comparable to Darley and Latané's classic study. Arrange the following reviewer actions in the order that represents the most rigorous and logically defensible evaluation process.
Describe how researchers Darley and Latané operationalized the concept of 'diffusion of responsibility' in their laboratory study, and explain why their experimental design is considered to have high construct validity according to the provided text.
Based on the provided context, explain how Darley and Latané's decision to manipulate the number of potential helpers during a staged crisis demonstrates the concept of construct validity.
A researcher wants to study diffusion of responsibility in a modern workplace setting by testing whether employees are less likely to respond to an urgent project request sent via email when more coworkers are CC'd. Applying the design logic of Darley and Latané, how should the researcher operationalize the independent variable to achieve high construct validity?