The Double-Blind Procedure Strengthens the Internal Validity of a Study

question 286

Multiple Choice

The double-blind procedure strengthens the internal validity of a study because

• A)it minimizes the effect of experimenter or participant expectations on the outcome of an experiment
• B)it creates more confounding variables in the experiment so the experimenter can be assured of validity
• C)it eliminates the problem of the participants' social desirability bias
• D)it insures that a given sample is representative of the population from which it is drawn

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Definitions:

Biochemical Activity

The complex interactions and processes involving biological molecules within living organisms.

Glycogen

A form of glucose storage in the body, primarily found in the liver and muscle tissues, serving as a key energy reservoir.

Glucose

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

Fasting

The act of voluntarily abstaining from some or all food, drink, or both, for a period of time.