Which is NOT a necessary element of experimental research?

Which of the personality disorders appears to be most related to schizophrenia? What evidence is there of this relationship?

What will be an ideal response?

In drawing conclusions about the relationship between imagery and perception, a notable difference between them is that

a. perception and imagery processes do not share the same brain mechanisms. b. it is harder to manipulate mental images than perceptual images. c. imagery is more stable than perception. d. imagery occurs more automatically than perception.