Which of the following is an example of evidence showing that ...

[ARLKQ]

Which of the following is an example of evidence showing that non-perceptual processes play a role in perception?
 
  a. Perception of the steepness of a hill increases when the participants are wearing heavy backpacks.
  b. A patient with blindsight (D.B.) experiences negative afterimages.
  c. Texture gradients influence our perception of depth.
  d. Removal of a portion of the right visual cortex results in a scotoma.

Question 2

Which threat occurs in nonequivalent group designs because the groups may have different participant characteristics?
 
  a. history effects
 b. instrumentation effects
 c. regression toward the mean
  d. assignment bias

[huda]

Answer to Question 1

A

Answer to Question 2

d