Which of the following statements regarding the effects of TV on children is true?
A) Research has not shown any positive effects of TV on children's cognitive skills and achievement.
B) Experimental and correlational research indicates that educational TV can enhance children's cognitive skills.
C) Educational programming has the greatest positive effect for children from lower-income homes.
D) Educational TV appears to have its strongest positive effects among children who are 10 years of age or older.
B) Experimental and correlational research indicates that educational TV can enhance children's cognitive skills.
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Answer the following statement(s) true (T) or false (F)
A multiple regression equation computed from a sample of 88 scores is y ?=2.1+.25(x_1)+.625(x_2). The estimated standard error of estimate is 3, and the variances of x1 and x2 are 12 and 0.23, respectively. If the squared correlation between x1 and x2 is .21, then the variance inflation factor is 1.27.
In picturing a scientist, you may automatically think of a person with a white lab coat, disheveled hair, and glasses. This is an example of a(n) ______.
A. exemplar B. prototype C. stereotype D. definition
Which of the following personality tests sometimes accounts for the possibility that the subject might not be answering questions truthfully by having people who know the subject provide their observations of the subject's behavior?
A. Personality inventory B. Rating scale C. Clinical interview D. Direct observation
Which of the following is an "environmental" factor that interacts with genetics for the development of schizophrenia?
A. whether or not the twins were exposed to high levels of lead B. whether or not the mother consumed a high-fat diet during pregnancy C. whether identical twins shared the same or different placentas D. whether the pregnancy occurred on the East Coast or West Coast of the United States