3
InstructionMultiple Choice

Descriptive and Inferential Statistics

Question 3 • Psychology A

__________ is an example of a directional research hypothesis.

Answer
A
“Happiness level varies by age”
B
“Car color affects the number of traffic tickets given”
C
“The amount of television watched affects grades”
D
“Males report higher marital satisfaction than females”

Explanation

A directional hypothesis predicts not just that two variables are related or differ, but which way the difference or effect will go. “Males report higher marital satisfaction than females” specifies that males will report more satisfaction, so it is directional. The other choices describe possible relationships without stating a specific direction.

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