Children are considered __________ if their BMI exceeds 18 and __________ if their BMI exceeds 21.
A. overweight; obese
B. obese; overweight
C. underweight; emaciated
D. emaciated; underweight
Answer: A
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Which condition is marked by alternation between restrained eating and excessive eating?
a. Apnea b. Narcolepsy c. Bulimia d. Anorexia
The heritability coefficient of extraversion is approximately .5, which means that:
A) a child psychologist can predict with 50% accuracy a client's extraversion level if she knows the extraversion levels of the child's parents. B) children inherit 50% of the tendencies toward extraversion or introversion from their mother, and 50% from their father. C) in any given child, half of extraversion is caused by genetic factors and half is caused by the environment. D) in a large group of children, 50% of the variability in extraversion scores would be due to genetic factors.
The manipulated variable in an experiment is the ____ variable
a. independent b. dependent c. extraneous d. confounding
Schachter–Singer's two-factor theory suggests that emotions are the result of:
A) a physiological arousal without interpretation by the brain. B) brain activity without physiological arousal. C) your brain trying to make sense of your body's physiological response to a situation. D) your body's physiological response to emotional signals sent from your brain.