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#1. Ms. Chen, an experienced RBT, is training a new team member on the delivery of discrete trial training (DTT) for a learner acquiring new verbal operants. She emphasizes the precise timing and sequence of each component within a discrete trial, especially the placement of prompts, to maximize learning efficiency and minimize prompt dependency. Assuming a prompt is required for the learner to emit the correct response, which of the following sequences accurately depicts the correct order of operations for a single discrete trial?
The text explicitly clarifies the correct order of operations for discrete trials stating The prompt comes after the SD before the response Remember a prompt is just a temporary SD So it would follow that it comes after the SD but before the response So that being said when running a discrete trial which comes what comes first Well in SD of course we give the SD The order is SD then prompt then response then a consequence a brief pause we start again Therefore Option C represents the accurate sequence Detailed Explanation of Discrete Trial Training DTT Components DTT is a highly structured method of teaching that breaks down skills into small discrete steps and teaches them one at a time Each trial involves a clear beginning and end maximizing learning opportunities The standard sequence of a discrete trial is as follows 1 Discriminative Stimulus SD This is a specific instruction or cue given by the instructor that signals the availability of reinforcement for a particular response It is the initial antecedent that sets the occasion for the behavior eg Touch nose What is this 2 Prompt If the learner does not respond correctly to the SD or is likely to make an error a prompt is delivered immediately after the SD A prompt is an additional stimulus or a cue that increases the likelihood of a correct response The text emphasizes that the prompt is a temporary SD that comes after the SD and before the response The goal of prompting is to ensure the learner makes a correct response which can then be reinforced thus avoiding errors Prompts are systematically faded over time to promote independence 3 Response R This is the target behavior or action the learner performs in response to the SD and prompt if provided eg The learner touches their nose says apple 4 Consequence C Immediately following the learners response a consequence is delivered If the response was correct a reinforcer eg praise a token access to a preferred item is provided to strengthen the behavior If the response was incorrect or no response occurred an error correction procedure may be implemented eg prompt represent the SD or simply no reinforcement 5 Intertrial Interval ITI This is a brief pause typically 13 seconds between the end of one trial and the beginning of the next It allows the learner and instructor to prepare for the next trial and helps the learner to differentiate between trials The text refers to this as a brief pause Why other options are incorrect A Response SD Prompt Consequence Intertrial Interval This order is incorrect because the response occurs after the SD and prompt not before them B SD Response Prompt Consequence Intertrial Interval This order is incorrect because the prompt should come before the response not after it Prompting after the response would be ineffective in guiding the learner to the correct action D Prompt SD Response Consequence Intertrial Interval This order is incorrect because the SD is the initial antecedent that sets the occasion Prompts should follow the SD acting as a supplement to guide the correct response to the SD not precede the SD
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