Which of the following is necessary for a diagnosis of obsessive-compulsive disorder?
A. The presence of compulsive behaviors
B. A persistent awareness of the irrational nature of the obsessions experienced
C. Evidence of psychosis
D. The symptomatic behavior causes distress.
Answer: D
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Researchers studying the effects of sleep deprivation tested the physical coordination skills of 25-year-old males who had been sleep deprived for 24, 36, or 48 hours. In this study, the dependent variable would be
a. the age of the research participants. b. the physical coordination skills of the men in the study. c. the length of time the participants had been sleep deprived. d. the type of physical coordination task the researchers use.
The percentage of children with hearing impairments has remained stable over the past 20 years
Indicate whether this statement is true or false.
When Abayomi has a physiological reaction produced in the body by the perception of aversive or threatening events, she is experiencing __________.
A. posttraumatic stress disorder B. a fight-or-flight response C. an immune response D. stress
The most famous humanistic psychologist was __________.
A. Rogers B. Skinner C. Maslow D. Adler