Anorexia nervosa is a severe psychological disorder; some ___________ of its victims literally starve themselves to death
a. 5% to 10% c. 15% to 20%
b. 10% to 15% d. 20% to 25%
c
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To say that an experiment contains a confound means that:
a. different participants are assigned to each group. b. the dependent variable is measured. c. the independent variable is manipulated. d. there is an uncontrolled extraneous variable in the experiment.
Bowlby, in agreement with ethology, suggested that smiling in the infant:
a. is random until about 6-months of age. b. is usually due to gastrointestinal distress. c. is unrelated to attachment. d. may serve as a stimulus for affection from others.
The Hippocratics believed that physical illness was caused by:
a. ?possession by evil spirits b. ?a life characterized by hedonism c. ?an imbalance of the four bodily humors d. ?the patient's inner desire to be ill
Even though state law requires all drivers of motorcycles and ATVs wear helmets, Roberto refuses to wear one
Arguing with his father, Roberto makes the claim that he is a skilled driver and the reason why there are so many motorcycle accidents is because other drivers lack skills and don't pay attention. Roberto is confident he will never get into a motorcycle accident and will not wear a helmet while riding. Which of the following best describes Roberto's cognitive limitation? a. imaginary audience b. personal fable c. mnemonic device d. concrete operations