While Increasing Statistical Power Is an Advantage of Directional Alternative

question 14

Multiple Choice

While increasing statistical power is an advantage of directional alternative hypotheses, which one of the following is a disadvantage?

• A) Directional hypotheses are hard to use
• B) When using directional alternative hypotheses you cannot reject the null if the outcome is large but in the opposite direction of the prediction
• C) Directional hypothesis leads to an increase in degrees of freedom
• D) There are no disadvantage to using directional hypotheses.

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