A researcher conducts an experiment with Mary, an 8-year-old autistic girl. The researcher first measures how many times Mary hits her head against a wall per day (for a total of 10 days). Then, the researcher begins reinforcing Mary when she engages in productive behaviors (e.g., playing quietly) and does NOT hit her head against a wall. The researcher again measures how many times Mary hits her head against a wall per day (for a total of 10 days). What kind of research design has this researcher used?

Question

Quizplus · Accepted Answer

The researcher used an A-B design, where 'A' is the baseline measurement and 'B' is the intervention phase.

A Researcher Conducts an Experiment with Mary, an 8-Year-Old Autistic