The Analysis of Verbal Behavior, 2, 19-21. Evocative and repertoire-altering effects of an environmental event. This establishment is the repertoire altering effect. Only until the same events happen again thus, establishing a contingency, is the behaviour in our repertoire. We are in the presence of many temporally occurring events which may momentarily change our behaviour. She has learned to make the “b” sound and it is now in her repertoire. When hungry and in the presence of mom, the toddler is likely to say “b” because in the past it has been reinforced with getting a bottle. Now we can say that a contingency exists which means there is a repertoire altering effect. This event with the same variables happens again and again. Another time the toddler says “b”, and mom again delivers a bottle. : the production and presentation of plays by a repertory company. users will develop a self-defined repertoire of behaviors (Taneja et al. : a company that presents several different plays, operas, or pieces usually alternately in the course of a season at one theater. This repertoire comprises elements of the different levels of description of language and its use (phonetic-graphical, lexical-grammatical, discursive. This study uses factor analysis to identify user-defined repertoires from data. The toddler happens to be hungry, she makes a “b” sound and mom follows that up by delivering a bottle. The linguistic repertoire is the set of skills and knowledge a person has of one or more languages, as well as their different varieties (be they diatopic, diaphasic, diastratic or diachronic). I’ll use a like scenario but with a different response - a “b” sound. The “g” sound happened to be followed by a delivery of a bottle in the former but not in the latter. No repertoire-altering effect has occurred because the functional relationship has not been established. Instead, mom picks her up and plays with her. There may be another time when the toddler sees mom and makes the “g” sound but mom doesn’t respond to that sound the same way. Mother gives her the bottle immediately after (potential reinforcer). Only then can we say that the contingency (i.e., an EO -> SD -> behaviour -> consequence relation) has had a repertoire altering affect on the person’s behaviour.įor example: if a toddler who has some emerging speech sounds is hungry (EO) and sees her mother (possible SD) she may grunt and make a “g” sound. We don’t know if a person’s behavioural repertoire has been altered from a single scenario until the person is in the same situation with the same variables and responds in much the same way. Repertoire altering effects are the more lasting effects of the establishing operation (EO) -> discriminative stimulus (SD) -> response -> reinforcement relations because those same events have occurred again (Michael, 1983). Being in the midst of my study plan for the upcoming BACB exam I am happy to share what I know about repertoire altering effects. Thanks for stopping by and leaving me with a question to consider.
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