multiple baseline designs

Describe the threats to internal validity discussed in the text: history, maturation, testing, instrument decay, regression toward the mean, and selection differences.

Read the chapter 11 doc file. Then, answer all of the review questions at the end of the chapter in the chapter 11 assignment doc file. No need to write in the essay form just write answer underneath the question 1. What is a reversal design? Why is an ABAB design superior to an ABA […]

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