A researcher conducts a study to bring about permanent changes in ...

[K@]

A researcher conducts a study to bring about permanent changes in three different behaviors in a single subject. Which one of the following designs would be most appropriate for this study?
 
  a. A-B-A-B design
  b. interaction design
  c. multiple-baseline design
  d. changing-criterion design

Question 2

Skipper does the laundry 25 of the time and washes dishes about 50 of the time. Barbie decides to start praising Skipper for doing the laundry. After that, Skipper begins to do the laundry about 75 of the time. Since that was successful, Barbie decides to try praising Skipper's dish washing, too. Soon, Skipper is washing the dishes 100 of the time. What experimental design was Barbie using?
 
  a. A-B Design
  b. Changing Criterion
  c. Multiple Baseline
  d. A-B-A-B Design

[lcapri7]

Answer to Question 1

c

Answer to Question 2

c

[K@]

Thanks for the timely response, appreciate it

[kusterl]

Excellent