An A-B-A-B Design Is a Single-Subject Design in Which Researchers

question 149

Multiple Choice

An A-B-A-B design is a single-subject design in which researchers establish a baseline, introduce the intervention, remove the intervention, and then reintroduce the intervention, measuring the _____ each time.

• A) dependent variable
• B) independent variable
• C) manipulation
• D) baseline measurement

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Definitions:

Action Hypothesis

An assumption made for the purpose of action or investigation, guiding decision-making or research direction.

P-Value

The probability of observing results at least as extreme as those measured when the null hypothesis is true, used in hypothesis testing.

Simple Random Sample

A segment of a statistical population where all individuals have the same likelihood of being selected.

Hypothesis Testing

A method of statistical inference used to decide whether there is enough evidence in a sample of data to support a particular belief or hypothesis about a population.