If the Expected Direction of an Effect Is Correct, Then

question 142

Multiple Choice

If the expected direction of an effect is correct, then using a one-tailed hypothesis test instead of a two-tailed hypothesis test:

• A) increases power.
• B) decreases power.
• C) makes power 1.0.
• D) makes power 0.

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Definitions:

Behavior Change

The modification or transformation of human behavior, typically in a positive or desired direction.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, encouraging the subject to associate certain behaviors with certain consequences.

Habitual

Regularly done; based on habit.

Less Anxious

Experiencing reduced feelings of anxiety, stress, or nervousness.