What is one of the limitations of the case-study method? a) ...

[crazycityslicker]

What is one of the limitations of the case-study method?
 
  a) cause-and-effect links cannot be established
  b) provides more breadth than depth
  c) only one technique is used to gather data
  d) focus is placed upon several individuals at a time

Question 2

Which of the following threats to external validity occur if the researcher interacts differently with different subjects?
 
  a) reactive arrangements
  b) multiple treatment interference
  c) experimenter effects
  d) pretest sensitization

[kaylee05]

Answer to Question 1

a

Answer to Question 2

c