Young children may temporarily call all men daddy, much to the embarrassment of their parents, which illustrates operant stimulus __________

The key tasks of a memory system are to

a. encode, store, and retrieve. b. perceive, chunk, and recall. c. sense, understand, and rehearse. d. process, rearrange, and simplify. e. be exposed to, combine, and consider.

Which of the following statements accurately explains the recent appearance of the emerging adulthood transitional period?

A) Entry-level positions in many fields require more education than in the past. B) Wealthy nations with longer-lived populations have a pressing need for young people's labor. C) A minority of young people seek higher education and delay financial independence. D) Many aspects of the life course are socially structured, with little room for choice.