Single-subject research focuses on individuals because a. each ...

[WhattoUnderstand]

Single-subject research focuses on individuals because
 
  a. each individual is unique
  b. human creativity cannot be studied by methods that assume determinism
  c. it permits a researcher to focus on small effects
  d. group data sometimes obscure features of individual performance

Question 2

Researchers who favor the single subject approach over the group research approach assume that most variability within the subject's behavior:
 
  a. is intrinsic and should be controlled statistically
  b. is caused by the research situation, or setting
  c. cannot be removed
  d. is minimal and therefore irrelevant

[zenzy]

Answer to Question 1

d

Answer to Question 2

b