Which of the following statements about the sexual behavior of U.S. adolescents is true?
A) Boys tend to have their first intercourse earlier than girls.
B) Few young adolescents are sexually active.
C) At the end of high school, boys report higher rates of having had sexual intercourse than girls.
D) U.S. youths become sexually active later than their Canadian and European counterparts.
A
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Lydia has a spider phobia. Based on research cited in Module 19, should she participate in a treatment that subliminally presents spider images?
A. Yes-even when images are presented below awareness, the unconscious mind can react to them. B. Yes-she will know that something is helping her because of the fact that she is participating in therapy. C. No-phobias don't go away, so it would be a waste of time and money. D. No-she can't even see the image, so there is no use in doing it.
When we ask, “Are the inferences being made from a set of test scores appropriate?” we are referring to
a. internal consistency. b. face validity. c. reliability. d. validity.
The sharpness of vision or the ability to see is called visual ______.
A. perception B. sensation C. acuity D. clarity
Robert Rescorla said that a stimulus must reliably _______________ an unconditioned stimulus for the stimulus to begin eliciting conditioned responding
a. block b. follow c. predict d. cause