An estimated 28 percent of U.S. preschoolers have __________, a figure that rises to 60 percent by age 18
A) brittle bones
B) tooth decay
C) epiphyses
D) suppressed immune systems
B
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Which statement is a cognitive characteristic of individuals with obsessive-compulsive disorder?
a. "I have to be absolutely certain that I turned off the computer." b. "Thinking about throwing little Timmy under the bus isn't as bad as actually doing it.". c. "If I just find a way to relax, then everything will be okay.". d. "My thoughts are always rational.".
Research on deaf infants reveals which of the following comparisons in language development when compared with non-deaf infants?
a) Deaf infants appear not to babble, as do non-deaf infants. b) Mothers of deaf and non-deaf children both employ infant-directed speech. c) Deaf infants do not seem to overextend when acquiring language. d) Deaf infants are more likely to demonstrate underextensions when acquiring language.