Multiple Choice
In a single-group design in which treatments are alternated (ABAB design) , what is the purpose of conducting multiple initial observations before any treatment is given?
A) pretest researcher assumptions about the study sample
B) establish a baseline for comparison post-treatment
C) establish which group gets the initial "A" treatment
D) to gather information for modifying the treatment
Correct Answer:
Verified
Correct Answer:
Verified
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