The size-distance scaling equation explains Emmert's Law because ...

[frankwu]

The size-distance scaling equation explains Emmert's Law because _____.
 
  A) retinal size is constant as perceived distance changes
  B) retinal size changes as perceived distance remains constant
  C) perceived size remains constant as retinal size changes
  D) perceived size changes as the color of the afterimage changes

Question 2

Donna is in a two-part experiment. She completed a self-esteem measure one week ago and is now taking the same measure again. Which of the following problems may arise from this process?
 
  a. Systematic error phenomenon
  b. Violation of face validity
  c. Equivalent form effects
  d. Retesting effects

[af]

Answer to Question 1

A

Answer to Question 2

d