The problem with an ABA design is that a. You may want to ...

[JGIBBSON]

The problem with an ABA design is that
 
  a. You may want to leave the participant in their new state, rather than return them to the old one
  b. The effect of the treatment may be reversible
  c. People don't want to continue in the study after the initial treatment
  d. It is unethical

Question 2

A researcher plans to use the reversibility of the desired target behavior as evidence of a treatment effect. She does not want the subject to leave the experiment showing the original, undesirable behavior. Which one of the following designs would be most appropriate for this study?
 
  a. A-B-A design
  b. A-B-A-B design
  c. interaction design
  d. multiple-baseline design

[rnehls]

Answer to Question 1

a

Answer to Question 2

b

[JGIBBSON]

Wow, this really help

[jackie]

Thanks for the timely response, appreciate it