A researcher is interested in whether there is a relationship between musical ability and mathematical ability. The type of design best suited to this task would be a/an:

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A correlational study would be best suited to examine the relationship between musical ability and mathematical ability. This type of study allows the researcher to measure the strength and direction of the relationship between two variables. The researcher could administer a test of musical ability and a separate test of mathematical ability to a group of participants, and then analyze the correlation between their scores on both tests. A correlational study does not establish causation, but it can provide useful information about the extent of the relationship between the two variables of interest.

A Researcher Is Interested in Whether There Is a Relationship