Which of the following factors should you consider when deciding on what research design to use?
a. number of groups
b. use of a control group
c. use of a pretest
d. all of the above
Question 2
Single-case designs, by definition, do not incorporate control groups. What is the standard for comparison purposes to evaluate the treatment effects?
a. there is no comparison standard when using a single-case design
b. the researcher gut feeling
c. observations of a single control participant
d. the pre-treatment observations
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