An Experimenter Studies the Relationship Between Caffeine and Reaction Time

question 34

Multiple Choice

An experimenter studies the relationship between caffeine and reaction time.She designs her experiment with four groups.Group one receives 100 mg of caffeine each in their cups of coffee;group two receives 200 mg of caffeine each in their cups of coffee;group three receives 300 mg of caffeine each in their cups of coffee;and group four receives no coffee.Twenty minutes later,participants from all the groups are given a reaction-time test.In this experiment,which group is the control group?

• A)Group four
• B)Group three
• C)Group two
• D)Group one

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Definitions:

Just-World Phenomenon

The cognitive bias that a person's actions are inherently inclined to bring morally fair and fitting consequences to that person, essentially believing in a just world.

Ocean Shoreline

The boundary line where the ocean meets the land.

Prejudice

Preconceived opinion that is not based on reason or actual experience, often directed toward a person or group.

Economic Frustration

Negative emotions or stress resulting from economic conditions, like unemployment or inflation, affecting one's financial stability.