Conversational UX Design: A Practitioner’s Guide to the Natural Conversation Framework by Robert J. Moore and Raphael Arar

Author:Robert J. Moore and Raphael Arar
Language: eng
Format: epub
Publisher: Association for Computing Machinery

B2.2 Partial Repeat Request

While the repeat request typically elicits a full repeat of the prior agent utterance, the partial repeat request elicits only a part of it (Pattern B2.2.0, Example 6.10).

Pattern B2.2.0Partial Repeat Request.

1 A:<ANY UTTERANCE>

2 U:PARTIAL REPEAT + what/who/when/where/why

3 A:PARTIAL REPEAT

Example 6.10Partial Repeat Request.

1 A:I guess I like movies with a strong AI lead.

2 U:a strong what?

3 A:AI lead.

With the partial repeat request, the user repeats a part of the agent’s prior utterance, “a strong” followed by a question word, “what” (line 2). By recycling part of the prior utterance, the user can demonstrate what he or she heard, and the question word indicates a failure at least to hear whatever words came after that [Schegloff 2007, pp. 217–218]. In our implementation, the dialog detects the question word at the end of the user’s input, extracts what came before it, matches the sample to the value of repeat of the agent’s utterance, and displays the remaining words back to the user, “AI lead” (line 3). This practice is very efficient, especially in voice interactions, in eliciting a repeat of just the part of the prior utterance that the recipient did not hear, instead of repeating the whole thing.

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