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 two
B. group one
C. group four
D. group three
Answer: C
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How does the data-based approach discover middle-level abilities?
A) by analyzing the ability to solve novel problems B) by analyzing the ability to apply knowledge gained in the past C) by analyzing the correlation between performances on intelligence tests D) by analyzing the correlation between IQ scores and physical age
Cerebral palsy can be caused by
A) damage to areas of the brain that control thought. B) improper formation of areas of the brain during adolescence. C) brain damage during the birth process. D) smoking during pregnancy.
Robert Peck's view of the changes that occur during social development during adulthood was much the same as Erikson's view
Indicate whether the statement is true or false
Psychoactive drugs are substances that ____
a. ?influence the brain without affecting behavior
b. ?influence the brain and thereby affect behavior
c. ?affect behavior without influencing the brain
d. ?neither influence the brain nor affect behavior