Schizophrenia is best described as a
a. single disorder, affecting all patients in similar ways
b. single disorder, with multiple causes.
c. spectrum of disorders, with multiple courses and outcomes.
d. spectrum of disorders, with a single cause.
c
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Animals are used in psychology experiments because:
a. it may be unethical or illegal to use humans. b. underlying mechanisms of behavior are similar across species and may be easier to study in animals. c. psychologists are interested in animals for their own sake. d. all of these
Power ____________________ come in the form of physical traits, personality characteristics, and external physical factors and are associated with those who are perceived to be powerful.
Fill in the blank(s) with the appropriate word(s).
Which statement about preterm and small-for-date infants is true?
A. All preterm infants are small-for-date. B. All small-for-date infants are preterm. C. Small-for-date infants usually have more serious problems than preterm infants that are not also small-for-date. D. Preterm infants usually have more serious problems than small-for-date infants that are not also preterm.
In the classic "I Love Lucy" TV show, Lucy and Ethel get jobs at a candy factory, wrapping chocolates on an assembly line. Because they perform so well, the supervisor speeds up the line so the candies come faster and faster. Eventually, Lucy and Ethel can't maintain the pace and give up, watching the candies pass them by and fall on the floor. Which of the following is demonstrated in this comedic scene?
a. goal gradient effect b. ratio strain c. post-reinforcement pause d. scalloping