How do altruism and reciprocal altruism differ?
A. Reciprocal altruism requires an expectation of returning the favor.
B. Reciprocal altruism is more likely among blood relatives than strangers.
C. Altruism has no evolutionary advantage, whereas reciprocal altruism does.
D. Reciprocal altruism occurs in many species, but altruism is seen only in humans.
Answer: A
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The validity of pattern analysis of the Wechsler Scales
a. is well established in clinical settings. b. has yet to be resolved. c. prevents practitioners from using interpretative patterns. d. cannot be determined empirically.
Which of the following is true about parental investment?
A. Males are more selective about with whom they choose to mate than females. B. Males of many species are free to mate with as many females as they can. C. Investment in selecting a mate is larger for males than for females. D. Males select mates who are more likely to be good parents.
Which of the following factors have contributed to the decline in adolescent pregnancy rates in the United States?
A. increased abortion rates B. increased contraceptive use C. mandatory sex education programs in both public and private schools D. an increase in abstinence programs in public schools
What is one of the most widely used techniques to determine infants' normative standing? It includes 27 categories of responses that constitute four general aspects of infants' behavior
a) cultural dimensions of motor development b) Brazelton Neonatal Behavior Assessment Scale c) dynamic systems theory d) Apgar