Jack lost the lower part of his right leg during a roadside bomb attack in Iraq. He often feels like "his right foot" is in an awkward position and has burning pain sensations. Jack is experiencing

The psychological effect of cigarette smoking is

A. arousal and activation-a mild stimulant effect. B. calm and relaxation-a mild antianxiety effect. C. altered perception-a mild hallucinogenic effect. D. a combination of A and B.

More seriously than other perspectives, core knowledge theorists have addressed which of the following questions?

A) "Why is experience essential for children and the knowledge they are born with?" B) "Why does speed of learning differ in children?" C) "What allows learning to get off the ground?" D) "Do all aspects of cognition develop uniformly, or do some develop at faster rates than others?"