Which choice most closely approximates the rate of fetal alcohol syndrome in the U.S.?

Dr. Ewing measured individual differences in a large sample of individuals using intelligence testing. If performances at each age level formed a normal distribution, the results were probably __________-shaped

A) U B) L C) bell D) star

Another name for visual attention is __________

a. focal attention b. iconic memory c. stimulus-driven attention d. conceptually driven attention