In Piaget's theory, the stage of cognitive development between 6 and 11 years of age, in which an individual becomes capable of logical thought processes but is not yet capable of abstract thinking, is the __________ stage

In which of the following situations is frustration least likely to result in aggression?

A) A woman grabs you and says "Hey, slow down," as you rush to catch your train. B) The parking lot is full, and a driver pulls around you to take the parking place for which you've been waiting. C) Your friend sprained her ankle, and cannot help you move, as promised. D) A telemarketer interrupts your dinner to sell you a magazine subscription. E) You realize you are being lowballed by a salesperson.

Learning can be best defined as:

a. a change in behavior related to mental events b. a relatively permanent change in behavior or knowledge resulting from experience c. an improvement in abilities resulting from formal instruction d. the acquisition of information through research