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#1. A behavior analyst is conducting a functional analysis to identify the maintaining variables for a client’s self-injurious behavior (SIB). The analyst sets up various conditions, including attention, escape, tangible, and alone conditions, and rapidly alternates them within and across sessions to compare the rate of SIB under each condition. Which experimental design is the analyst primarily utilizing, and what is a significant potential limitation to consider with this approach?
The scenario describes a multielement design also known as an alternating treatments design a common approach in functional analyses This design is characterized by the rapid and random or semirandom alternation of two or more distinct treatment conditions or experimental conditions as in a functional analysis within the same participant session or short period The primary advantage is its efficiency in comparing the effects of different conditions However its most significant limitation is its susceptibility to multiple treatment interference This occurs when the effects of one experimental condition linger and influence the responding observed during a subsequent rapidly introduced condition For instance if a client receives high levels of attention in one condition and then an escape condition is immediately introduced the lingering effects of the attention might obscure or alter the true effects of the escape condition making it difficult to isolate the precise impact of each condition
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