The death of a family member has the potential to disrupt the course of an individual's life. Such a major event is referred to as ________ within the scope of psychology.

Juanita is thrilled to be taking human development next semester from Dr. Ada, who won the "best teacher award" 5 years ago, but she is worried as this terrific teacher is now age 68. Having read this chapter, what should a friend suggest?

a) "Terrible idea—college teaching depends mainly on fluid skills." b) "Terrible idea—crystallized skills sharply decline by the mid-sixties." c) "Give it a shot—Dr. Ada should still be great, provided he doesn't have a serious illness." d) "Go for it—crystallized skills begins to decline in later life."

Volunteer ________ is a problem in experimental research wherein some types of people may be more willing to participate in certain studies than others. This willingness may end up impacting the results of the research

a) bias b) blindness c) generalizability d) demand