Which of the following statements about nicotine are true?
a) In terms of addictive power, nicotine is more powerful than heroin or alcohol.
b) Nicotine can slow the heart and therefore create a sense of relaxation
c) overall, the number of Americans smoking is on the increase
d) overall, the number of women and teenagers smoking is on the decrease
Ans: a) In terms of addictive power, nicotine is more powerful than heroin or alcohol.
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Drawing on Paxton and Moody’s study of the social network of ABX, a southern sorority, Which of the following statements is true?
a. ABX owed its high level of cohesiveness to the absence of cliques within the group. b. ABX was so cohesive that all the group members were tied to the group by at least one strong relationship. c. Individuals who occupied central positions in subgroups within the group tended to be less positive toward the overall group. d. Overall popularity, as indicated by indegree centrality, predicted both satisfaction with the group and a sense of belong.
For a hypothesis test using a t statistic, the boundaries for the critical region will change if the sample size is changed
Indicate whether the statement is true or false
The effects of language deprivation during infancy and childhood can be irreversible. This fact is best explained by which concept?
a. Cohort effects b. Sensorimotor function c. Sensitive period d. Stage theories
Gazzaniga suggests that we think of the human mind as neither a single nor a dual entity but rather as a
a. confederation of minds. b. consolidation of minds. c. confabulation of minds. d. consequence of minds. e. continuation of minds.