Trinity and Her Colleagues Conduct an Experiment on Two Groups

question 55

Multiple Choice

Trinity and her colleagues conduct an experiment on two groups of people to establish a relationship between caffeine intake and sleep.The participants in the first group consume five cups of coffee per day for a month,whereas the participants in the second group limit their coffee intake to two cups per day for a month.After a month,the participants in the first group report increased sleeplessness.In the context of social psychology,the dependent variable in this experiment is:

• A)the second group.
• B)the first group.
• C)the intake of caffeine.
• D)the observed sleeplessness.

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