An important advantage of the multiple baseline design over the ...

[ghost!]

An important advantage of the multiple baseline design over the withdrawal design for evaluating treatments is that multiple baseline
 
  a. has greater internal validity.
 b. has greater external validity.
 c. does not require the removal of a potentially helpful treatment.
  d. does not require the artificial intervention of the researcher.

Question 2

The single-case experimental design is primarily criticized as having limited
 
  a. reliability.
 b. external validity.
  c. Internal validity.
  d. measures.

[at]

Answer to Question 1

c

Answer to Question 2

b

[ghost!]

Thanks for the timely response, appreciate it

[cam1229]

Excellent