Which of these involves the inability to attain an erection?
a) erectile disorder
b) retarded ejaculation
c) premature ejaculation
d) nocturnal penile tumescence
A
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According to the results of a study on coercive sex, conducted by Edward Laumann and his colleagues, it was estimated that _____ percent of women had been forced to participate in a sexual act against their will
a. 1 b. 10 c. 20 d. 45
Which of the following is NOT true of quasi-experiments?
A) They provide researchers with complete control over all aspects of the independent variable(s). B) The presence of confounded variables can reduce internal validity. C) They can often be conducted when true experiments cannot. D) The external validity of quasi-experiments is often higher than that of true experiments.
According to Piaget, the earliest schemes are primarily limited to the ____________ with which we are all born, such as sucking and rooting
a. reflexes c. ideas b. concepts d. notions
According to the text, if a family does not have a set of shared goals, which of the following is likely to result?
a. Every decision must be negotiated. b. Parents will become increasingly authoritarian. c. Parents will become increasingly permissive. d. Discipline will suffer and child will become unruly.