What Is the Meaning of a Double-Blind Experiment

question 46

Multiple Choice

What is the meaning of a double-blind experiment?

• A) Two groups of subjects take turns getting the control or experimental treatment.
• B) Neither subjects nor researchers know which subjects are in the control or experimental group.
• C) Subjects know whether they are in the control or experimental group, but the researchers do know.
• D) One group of subjects receives placebo treatment twice.

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Definitions:

Binge Eating Disorder

An eating disorder characterized by recurrent episodes of eating large quantities of food, often quickly and to the point of discomfort, accompanied by feelings of loss of control.

Restricted-Type Anorexia

A form of anorexia nervosa where weight loss is achieved primarily through dieting, fasting, or excessive exercise.

Purging-Type Anorexia

A subtype of anorexia nervosa where individuals engage in purging behaviors to lose weight, such as vomiting or misuse of laxatives.

Alexithymia

A personality construct characterized by the subclinical inability to identify and describe emotions in the self.