How many of the infants in the United States watch educational media products for more than an hour a day?
a. 5%
b. 17%
c. 50%
d. 87%
B.
You might also like to view...
A correlation between one interval/ratio variable and one ordinal variable is measured using the _____ coefficient, and the correlation between one interval/ratio variable and one nominal variable is measured using the _____ coefficient
a. Pearson product-moment correlation; Spearman rank-order correlation b. Spearman rank-order correlation; point-biserial correlation c. phi; Spearman rank-order correlation d. Pearson product-moment correlation; point-biserial correlation
What is the function of the enzyme acetylcholinesterase? a. It synthesizes acetylcholine from the diet
b. It increases the sensitivity of the postsynaptic cell to acetylcholine. c. It blocks further release of the transmitter acetylcholine. d. It breaks acetylcholine down into components for recycling.
Which of the following is a treatment that is specific for those suffering from seasonal affective disorder?
A. An antidepressant drug such as Paxil B. Mindfulness meditation C. Sleep deprivation to reset the biological clock D. Behavioral activation therapy
The acquisition of the basics of language at about age two allows the child to use words and symbols to represent objects. This begins the
a. cognitive stage process. c. language operational period. b. preoperational stage. d. concrete operational period.