Answer each of the following questions: (a) What is the issue that is being addressed when you engage in the statistical analysis of data? (b) Can you engage in the statistical analysis of data for a single client if you measure the client’s target behavior one time before treatment began and one time at the end of the treatment? (c) Explain why your answer to Question b is true or false.
What will be an ideal response?
Ans: The issue addressed by the statistical analysis of data is whether the data can be explained by chance. You cannot engage in the statistical analysis of data when you have only one baseline score and only one treatment score. In this situation, you have only two scores and statistics require more data. There are no statistical tests that can take two scores and determine if they are different at a level that can be explained by chance. That is why all single-subject designs require the repeated measurements of target behavior during the treatment period, and most also require it during the baseline period.
Learning Objective: 15-5: Identify the steps in the employment of a single-subject research design.
Cognitive Domain: Comprehension
Answer Location: Data Analysis for Single-Subject Research
Difficulty Level: Hard
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