With a mean of 100 and a standard deviation of 10, the standard normal deviate for a

Infants are actually better than adults at the task of

a. discriminating the colors of the visible spectrum. b. detecting unhealthy substances by taste alone. c. being trained with negative reinforcement. d. discriminating among unfamiliar phonemes.

Which of the following designs requires the largest number of subjects?

A) ?A simple-comparison design B) ?A control group design C) ?A reversal design D) ?A multiple baseline design