At the end of the discussion on the nature of mental images, your textbook re-examines the analog viewpoint and the propositional viewpoint, in light of the accumulated research. According to this discussion,

a. the two viewpoints are incompatible; researchers can support either perspective, but not both.
b. most mental-imagery tasks seem to use an analog code, but some mental-imagery tasks seem to use a propositional code.
c. the propositional viewpoint argues that people do not experience actual mental images.
d. the analog viewpoint is supported by the observation that people cannot re-examine a mental image and provide a new interpretation of that image.

Ans: b