A Researcher Measures the Correlation of the Time It Take

question 7

Multiple Choice

A researcher measures the correlation of the time it take participants to complete two tasks purported to measure the same cognitive skill.Participant times are converted to ranks from fastest to slowest.If = 165 and n = 20,then what is the decision for this correlation test?

• A)Retain the null hypothesis.
• B)Reject the null hypothesis.
• C)There is not enough information to answer this question.

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Definitions:

Genogram

A graphical representation of a person's family relationships and medical history over multiple generations.

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Characters or graphics used to represent an idea, object, or function.

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A long-term, progressive lung disease characterized by shortness of breath due to damage to the air sacs in the lungs.