In Lang's Experiment Studying the Effects of Alcohol and the Effects

question 111

Multiple Choice

In Lang's experiment studying the effects of alcohol and the effects of expectations on aggression there were three groups: Group 1: Expected alcohol, received only tonic.
Group 2: Expected alcohol, received alcohol mixed with tonic.
Group 3: Expected tonic, received alcohol mixed with tonic.
Which of the following is true?

• A)Only Groups 2 and 3 were experimental groups.
• B)Only Group 1 was an experimental group.
• C)Group 1 was a control group.
• D)All three groups were experimental groups.

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