Maura lives in an institution for retarded citizens. She has been taught how to brush her teeth after a meal, but does so at a very low frequency. A researcher wants to discover how to increase the frequency of Maura's tooth brushing. She gives Maura a star on a chart that is prominently displayed in the bathroom every time she brushes her teeth after a meal. Maura's frequency of tooth brushing
increases under these conditions. Then the experimenter stops giving Maura a star for brushing her teeth and records a drop in the frequency of tooth brushing. Finally, the researcher reinstates the star reward condition and records a rise in the frequency of tooth brushing. This study uses the _____ design.
a. case study c. survey
b. experimental d. ABAB
D
A is the baseline or no-star condition; B is the condition in which tooth brushing is rewarded with a star on the chart.
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What is the biggest reason why we use animals in research?
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