In the Text the Authors Distinguish Between Effectiveness Studies (Which

question 60

Multiple Choice

In the text the authors distinguish between effectiveness studies (which are designed to find out whether a therapy works in the real, day-to-day clinical practice) and efficacy studies. How are effectiveness studies different from efficacy studies?

• A) Effectiveness studies involve unhappy couples.
• B) Efficacy studies are usually experiments with some kind of control group.
• C) Effectiveness studies tell us whether a therapy works in a controlled laboratory setting.
• D) Effectiveness studies and efficacy studies do not differ in any important way.

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