Which of the following is a characteristic of Rett's disorder?
A. The loss of previously acquired skills, such as the ability to walk and to communicate after three years of apparently normal development
B. Stereotyped behavior from birth
C. A loss of hearing at birth
D. A range of physical, behavioral, motor, and cognitive abnormalities that begin after a few months of normal development
Answer: D
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Answer the following statement true (T) or false (F)
What is the smallest unit of sound possible in a language?
a. Morphemes b. Phonemes c. Vowels d. Consonants
What proportion of unmarried Americans are content to maintain their current relationship status?
a. about one-fourth b. about one-third c. about one-half d. about two-thirds
Which of the two conditions is more difficult for a child to catch a ball?
a. The ball coming to the child b. The child moving to the ball