Typing at a computer keyboard, writing in cursive with pen or pencil, drawing detailed pictures—these are just some of the accomplishments that depend on improvements in ____________ motor coordination that occur during early and middle childhood
a. fine c. grand
b. gross d. puberty
a
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In an experiment with rats and food deprivation, Clark showed that, as deprivation
increased, a. response rate increased at first, then decreased. b. response rate increased. c. response rate decreased at first, then increased. d. response rate decreased. e. response rate remained the same, since Clark used an interval schedule.
If a male and female are having unprotected sexual intercourse, could pregnancy occur even though the male withdraws his penis before he ejaculates?
a) No, the male must ejaculate his sperm into the female vagina in order for conception to occur. b) No, the refractory period can prevent this from happening. c) Yes, during the plateau phase drops of liquid, which could contain live sperm may come out of the penis. d) Yes, if a woman becomes aroused enough a fertilized egg may be released from the ovary.
The success rates of fertility drugs, up to four trials, in the United States is __________.
A. 5%-15% B. 22%-35% C. 37%-51% D. 82%-99%
One aspect of family environment that has been found to be important in schizophrenia is
A) the level of parental grief over their child's illness. B) if lots of double-bind communications are used. C) the level of expressed emotion. D) if the mother is cold and aloof.