Single-subject designs can improve on the pretest-posttest ...

[rlane42]

Single-subject designs can improve on the pretest-posttest designs by
 
  A) adding a control group.
  B) adding an additional single-subject as a hypothetical control.
  C) adding more conditions to the experiment.
  D) using a better statistical test to evaluate the data.

Question 2

Which of the following is a weak design because the researcher has no control over the independent variables?
 
  A) single-subject experimental design
  B) ex post facto, single-case study
  C) single-topic design
  D) repeated-measures design

[wtf444]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[rlane42]

Excellent

[LegendaryAnswers]

Thanks for the timely response, appreciate it