Which of the following is a primary disadvantage of using a ...

[itsmyluck]

Which of the following is a primary disadvantage of using a within-subjects design?
 
  A) increases the probability of attrition
  B) increases the probability of placebo effects
  C) increases the probability of fatigue effects
  D) increases the probability of extraneous variables

Question 2

Which of the following is a way for researchers to avoid problems related to subject attrition?
 
  A) Offer greater amounts of compensation
  B) Have subjects participate in multiple sessions
  C) Have subjects participate in only a single session
  D) Have subjects call if they are going to drop out so you can find someone else

[lorealeza]

Answer to Question 1

C

Answer to Question 2

C

[itsmyluck]

Excellent

[dantucker]

Thanks for the timely response, appreciate it