Answer :
In a multiple baseline design, to cone to a conclusion that an effective treatment is gotten, Then there should be observation about behavior change under multiple circumstances.
- Multiple baseline design serves as experimental approach which involves the assessment of two or more behaviors.
These assessments helps to determine their ;
- initial expression
- stable expression.
- Then observation must be made about behavior change under multiple circumstances before making any conclusion.
Therefore, Multiple baseline design requires observation under several circumstances.
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