If a Health Psychologist Wants to Know If Regular Exercise

question 51

Multiple Choice

If a health psychologist wants to know if regular exercise improves people's health,the type of hypothesis the psychologist would use is

• A)one-tailed because the study is only interested in whether the exercise increases health.
• B)one-tailed because the study only looks at the effects of exercise and does not consider other factors.
• C)two-tailed because the study will have to involve both healthy and unhealthy people.
• D)two-tailed because no direction for any observed difference has been predicted.

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