A research psychiatrist wants to compare the effects of sleep deprivation on patients with known anxiety disorders to a control group without anxiety. He already knows that sleep deprivation is related to increases in anxious feelings, but he is curious whether these effects are greater for people with anxiety disorders. Which of the following methods would be the most effective tool to determine whether sleep deprivation is more detrimental to people with anxiety disorders?
A. Case study
B. Quasi-experimental
C. Naturalistic observation
D. Experimental
Answer: D
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According to the National Assessment of Adult Literacy in 2003, how many people in the U.S. had basic or below-basic health literacy?
A. less than 10,000 B. 250,000 C. 10 million D. more than 70 million
Studies of biological factors affecting development of substance-use disorders implicate the neurotransmitter ____
a. dopamine b. adrenaline c. epinephrine d. acetylcholine
At Jack's office, a number of men start wearing Hawaiian shirts on Fridays. Soon Jack begins wearing a Hawaiian shirt on Fridays. Jack's behavior is an example of:
A. conformity B. consistency C. compliance D. obedience
The 1998 call for positive psychology has ____
a. ?not as yet had time to be reflected in research and publications but the potential is promising b. ?resulted in a strong increase in number of publications dealing with positive emotions c. ?not been well-received d. ?largely covered concepts introduced by Freud e. ?None of the choices are correct.