In advertising testing,attitude toward the brand was measured for respondents of a sample before and after seeing an ad for a brand.A one-sample t-test would then be used to evaluate whether the ad had any effect on attitude toward the ad.

Question

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A paired-sample t-test, not a one-sample t-test, is appropriate for comparing the same group's attitudes before and after exposure to the ad.

In Advertising Testing,attitude Toward the Brand Was Measured for Respondents