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Explain how the researcher's summary of the participants' biological sex illustrates the concept of a variable's distribution, and identify the levels or categories of the variable in this context.
Case context: A psychologist measures the biological sex of 150 participants in a research study. To present the findings, the researcher wants to summarize the data by showing how many participants fall into each biological sex category.
Question: Explain how the researcher's summary of the participants' biological sex illustrates the concept of a variable's distribution, and identify the levels or categories of the variable in this context.
Sample answer: The researcher's summary illustrates the distribution because it describes how the individual values or scores of the 150 participants are spread out across the categories of biological sex. In this context, the variable is biological sex, and its levels or categories are the specific sexes recorded (such as female and male).
Key points:
- Explains that the summary shows how values are spread out across categories.
- Identifies biological sex as the specific variable being described.
- Correctly identifies the levels/categories of the variable in this context.
Rubric: The response must demonstrate comprehension by explaining that the summary shows the spread of participant scores across the categories of biological sex (e.g., female and male).
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Research Methods in Psychology - 4th American Edition @ KPU
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