Single-Subject Research Law and Legal Definition
Single-subject research is a scientific methodology used to define basic principles of behavior and establish evidence-based practices. Mainly, four principal methods are used in single-subject research. They are changing criterion, reversal (ABA) method, alternating treatment method, and multiple baseline method.
Changing Criterion Method: A criterion for reinforcement is changed across the experiment to demonstrate the functional relationship between the reinforcement and the behavior in changing criterion method.
Reversal or ABA Method: ABA method design shows a strong reversal from baseline-A to treatment-B and back again. The basic principle is that a variable resumes its effects when reapplied.
Alternating treatment Method: In alternative treatment method, comparative effect of two treatments is measured. Two treatments are alternated in a speedy succession and associated changes are graphed for comparison.
Multiple Baseline Method: Multiple baseline method is applied to human experiments in response to practical and ethical issues. Two or more behaviors are graphed and a change is made to one, but not the other two. Then change is made to the second but not the third for analysis.
Legal Definition list
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