In an A-A1-B-A1-B Design

question 46

Multiple Choice

In an A-A1-B-A1-B design,

• A) A1 refers to a time when a placebo is in use
• B) A and A1 refer to two different types of treatments being compared
• C) at least three different baselines will be established at different times
• D) A and A1 refer to two people, an experimental subject and a control subject

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