Archimedes was asked by the king to determine whether the goldsmith in making his crown had cheated the king by substituting cheaper metals. To solve this problem, Archimedes began by asking himself, "How can I tell what metals have been used in the crown without damaging it?" At this point, Archimedes is in which stage of creative thought?

One way to randomly assign students to experimental and control groups for a study of academic behaviors is to

a. flip a coin for each student to determine which group she or he will be assigned. b. divide the group sitting in the front half of the room from the group sitting in the back. c. ask volunteers for the experimental group to raise their hands. d. do none of these.

According to Seligman, if we minimize negative affect does it necessarily follow that we will experience happiness and well-being?

What will be an ideal response?