In contrast to more traditional societies,, infants in Western countries are rarely held more than
a. 10% of the day. c. 35% of the day.
b. 25% of the day. d. 45% of the day
C
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Among animal species that are meat-eating, ____
a. humans are the only species in which some individuals choose to be vegetarian b. about 5% of the population of most species choose to be vegetarian c. about 50% of the population of most species choose to be vegetarian d. the tendency to follow a mostly vegetarian (rather than meat-eating) diet appears to be largely genetic
Cross sequential designs
a. incorporate features of cross sectional designs within them. b. incorporate features of longitudinal designs within them. c. allow the experimenter to attribute changes in the dependent variable to age and not to some other confounded factor. d. all of these
Neglected children are more likely to develop ___________ than any other status of children
a. friendships b. depression c. aggressive behaviors d. social skills
Which statement about attention-deficit hyperactivity disorder (ADHD) is true?
A. Boys are diagnosed two to three times as often as girls. B. Girls are diagnosed two to three times as often as boys. C. All children who are hyperactive also have ADHD. D. All children with ADHD are hyperactive.