Short Answer

If a researcher designs a new study measuring life satisfaction on a 11-to-1010 scale and predicts that the data will mimic the pedagogical happiness dataset (mean of 8.258.25, SD of 1.141.14, negatively skewed), what specific pattern of participant responses must they observe to confirm a negative skew, and what will the resulting tail of the distribution look like?

Question: If a researcher designs a new study measuring life satisfaction on a 11-to-1010 scale and predicts that the data will mimic the pedagogical happiness dataset (mean of 8.258.25, SD of 1.141.14, negatively skewed), what specific pattern of participant responses must they observe to confirm a negative skew, and what will the resulting tail of the distribution look like?

Sample answer: To confirm a negative skew, the researcher must observe that the vast majority of participants rate their satisfaction high, clustering near the top of the scale. The tail of the distribution must be longer toward the lower end, representing only a small number of participants with noticeably lower ratings.

Key points:

  • The majority of participant responses must cluster near the high end of the satisfaction scale.
  • A small number of participants must rate themselves noticeably lower.
  • The tail of the distribution must extend toward the lower end of the scale.

Rubric: Grading Rubric: - Participant Response Pattern (11 point): States that the vast majority of participants must rate themselves high (clustering near the top). - Tail Direction (11 point): States that the tail of the distribution will point/extend toward the lower end of the scale.

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Updated 2026-05-27

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Research Methods in Psychology - 4th American Edition @ KPU

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