For a Hypothesis Test Evaluating the Effect of a Treatment

question 56

Multiple Choice

For a hypothesis test evaluating the effect of a treatment on a population mean,what basic assumption is made concerning the treatment effect?

• A)If there is a treatment effect, it will increase the scores.
• B)If there is a treatment effect, it will decrease the scores.
• C)If there is a treatment effect, it will add (or subtract) a constant to each score.
• D)If there is a treatment effect, it will multiply (or divide) each score by a constant.

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