Which is the most successful program for getting rid of heroin addiction?
A) Quitting cold turkey B) Slow withdrawal over months
C) Behavior modification therapy D) Methadone maintenance
Answer: D
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Lev Vygotsky strongly favored these two approaches in his own developmental theory and research:
a. phylogeny and ontogeny. b. sociohistory and microgeny. c. sociohistory and phylogeny. d. ontogeny and microgeny.
Margot, 58, and Todd, 62, have decided to use donor ova in combination with in vitro fertilization to help Margot become pregnant. Which statement is true?
A) Most children conceived through in vitro fertilization are less well-adjusted than naturally conceived children. B) Among in vitro babies, the rate of low birth weight is nearly five times lower than in the general population. C) Due to the biological effects of in vitro techniques and their older age, Margot and Todd have a lower risk of miscarriage. D) Based on life expectancy data, there is a moderate chance that Margot or Todd will die before their child enters college.
Children's dependence on adults to scaffold their stories, for example, introducing new topics, occurs during which stage of the development of storytelling?
a. the first stage c. the third stage b. the second stage d. the fourth stage
Who has most likely just developed stranger wariness?
A. Betsy, who just learned to roll over B. Leon, who just learned to crawl C. Calvin, who just learned to walk D. Lisa, who just started school