Individuals with PKU normally have high levels of __________ in their urine unless they eat a phenylalanine-free diet

A person with a drug addiction always "shoots up" at his girlfriend's house. On the day that they break up, he injects himself with his usual dose of heroin, but this time it is in his own home. Based on the research findings of Shepard Siegel, the addict

a. is more likely to overdose. b. is less likely to overdose. c. will experience effects no different than before. d. will become less addicted.

The ability to produce solutions to problems that are novel and successful is called _____

A) creativity B) insight C) latent learning D) convergent thinking