A Researcher Conducts a Repeated-Measures Study to Evaluate a Treatment

question 73

Multiple Choice

A researcher conducts a repeated-measures study to evaluate a treatment with a sample of n = 16 participants and obtains a t statistic of t = 1.94.The treatment is expected to increase scores and the sample mean shows an increase.Which of the following is the correct decision for a hypothesis test using α = .05?

• A)Reject the null hypothesis with a one-tailed test but fail to reject with two tails
• B)Reject the null hypothesis with either a one-tailed or a two-tailed test
• C)Fail to reject the null hypothesis with either a one-tailed or a two-tailed test
• D)Fail to reject the null hypothesis with a one-tailed test but reject with two tails

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Definitions:

Monopolistic Competition

A market structure in which many companies sell products that are similar but not identical.

Differentiated

Products or services that are distinct from one another due to variation in design, quality, or other attributes, allowing them to appeal to different consumer preferences.

Starbucks

An American multinational chain of coffeehouses and roastery reserves known for its signature coffee drinks, teas, and baked goods, with a global presence.

Quality

The standard of something as measured against other similar things; a degree or level of excellence.