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<a accesskey="3" href="page.php?w=three-term_contingency&amp;p=2">3.Next</a>
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<p>The <b>three-term contingency</b> (also known as the <b>ABC contingency</b>) is a psychological model describing <a href="page.php?w=operant_conditioning">operant conditioning</a> in three terms consisting of a behavior, its consequence, and the environmental context, as applied in <a href="page.php?w=contingency_management">contingency management</a>. The three-term contingency was first defined by <a href="page.php?w=B._F._Skinner">B. F. Skinner</a> in the early 1950s. It is often used within <a href="page.php?w=Applied_behavior_analysis">ABA</a></p><p>
<a accesskey="3" href="page.php?w=three-term_contingency&amp;p=2">3.Next</a>
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