About _____ percent of North American and Western European teenage girls are affected by anorexia nervosa
A) 1
B) 3
C) 5
D) 7
A
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Many parents worry that their children will be lured into negative and unhealthy behaviors if they give in to peer pressure. What does research suggest about these fears?
a. These fears have no merit, as peer pressure very rarely influences the actions of adolescents. b. These fears are only valid in Europe, where teenagers tend to be more reckless than in the United States of America. c. These fears are valid for girls, but not for boys. Research suggests that girls "cave" more easily to the demands of peer pressure, while boys are more able to resist peer pressure. d. These fears are well-founded, as teenagers of the same friendship group usually indulge in similar risky behaviors.
An infant has lost interest in a familiar stimulus. After the stimulus has been removed for a time, and then re-appears, the infant shows renewed interest. This defines which of the following?
A) Dishabituation B) Perception C) Habituation D) Disperception
To maintain body temperature in cold weather an organism may:
a. Increase metabolism b. Constrict blood vessels c. Move to a sunny location d. All of the above
The alpha level sets the probability for the
a. Type 1 error b. Type 2 error c. Type 3 error d. none of these