A Post Hoc Test Is Conducted to Make Multiple Comparisons

question 13

Multiple Choice

A post hoc test is conducted to make multiple comparisons between the mean scores of three groups of clients in a child guidance center.Group A receives play therapy, only.Group B receives family therapy, only.Group C receives both play and family therapy.The significance level is .05.The p value for the difference between Groups A and B is .66.The p value for the difference between Groups A and C is .01.The p value for the difference between Groups B and C is .01.Which of the following interpretations is most appropriate in light of these results?

• A)Play therapy and family therapy appear to be equally effective.
• B)Play therapy appears to be effective.
• C)Family therapy appears to be effective.
• D)The combination of play and family therapy appears to be more effective than either play therapy alone or family therapy alone.

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Definitions:

Efficient Markets Hypothesis

The theory that all available information is already reflected in stock prices, thus making it impossible to consistently achieve higher returns.

Return And Risk

Concepts in finance and investing that denote the potential profit or loss and the uncertainty associated with an investment.

Asset Bubble

A situation in financial markets where the price of an asset inflates to levels far beyond its intrinsic value, leading to an eventual crash.

Efficient Markets Hypothesis

The theory that all available information is fully reflected in asset prices, meaning that it's impossible to consistently achieve higher-than-market returns.