By the age of two, most children can use two-word sentences and __________ speech where non-critical words of a sentence are left out
a) holophrasic
b) telegraphic
c) phonemic
d) semantic
b
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Which of the following descriptions of the lobes of the cortex is incorrect?
a. frontal—involved with personality and emotion b. parietal—involved with motor behaviors c. temporal—involved with processing auditory experience d. occipital—involved with processing visual information
Homosexuality
a. has never been a DSM diagnosis. b. has always been a DSM diagnosis. c. is not a diagnosis in DSM-IV-TR, but was a diagnosis in early versions of DSM. d. is considered a diagnosis in DSM-IV-TR, but was not a diagnosis in early versions of DSM.
Which statement supports the notion that heredity contributes to differences in body weight?
A. Pima Indians in the United States and Mexico share the same genes, but only those persons who live in a particular environment develop obesity. B. Several forms of human obesity involve a deficit in ghrelin production, which can be treated by ghrelin injection. C. Twin studies indicate that genes account for 25 percent of the variability in body fat accumulated when people are fed a high-fat diet. D. Twin studies indicate that genes account for little of the variability in body fat accumulated when people are fed a high-fat diet.
Which of the following symbols identifies the sample variance?
A) ?s B) ?s2 C) ?? D) ??2