| Term 
 | Definition 
 
        | A ratio of count per observation time |  | 
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        | Term 
 | Definition 
 
        | Using differential reinforcement to produce a series of gradually changing response classes |  | 
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        | Term 
 | Definition 
 
        | The process of breaking a complex skill or series of behaviors into smaller teachable units. |  | 
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        | Term 
 | Definition 
 
        | The activity of living organisms |  | 
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        | Term 
 | Definition 
 
        | A single instance or occurrence of a specific class or type of behavior. |  | 
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        | Term 
 | Definition 
 
        | A group of responses of varying topography, all of which produce the same effect on the environment |  | 
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        | Term 
 | Definition 
 
        | The conglomerate of real circumstances in which the organism exists. |  | 
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        | Term 
 | Definition 
 
        | "An energy change that affects an orgnainism through it's receptor cells" |  | 
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        | Term 
 | Definition 
 
        | A group of stimuli that share specified common elements along formal, and/or functional dimensions |  | 
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