1. Some thinking depends on verbal concepts, while another kind of thinking involves:
A) c. rehearsal.
B) a. speaking out loud.
C) d. manipulating mental images.
D) b. mentally manipulating words.

2. Which of these activities is not an example of thinking with verbal concepts?
A) a. reading a book
B) c. doing a jigsaw puzzle
C) d. completing a crossword puzzle
D) b. deciding what to do for the weekend

3. The most common form of thinking involves mental representations called:
A) c. concepts.
B) b. objects.
C) d. sets.
D) a. images.

4. Research on mental rotation found that males performed ________ females at almost every orientation.
A) d. worse than
B) a. slower than
C) c. the same as
D) b. faster than

5. Shepard and Metzler found that the reaction time for solving mental rotation tasks ________ as the difference in orientation ________ from zero to 180 degrees.
A) d. decreased; decreased
B) b. decreased; increased
C) a. increased; increased
D) c. increased; decreased