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Discursiveness (explanations)

44 bytes added, 21:56, 12 September 2018
From the perspective of the [[explainer]], the trade-off is between getting to the point as swiftly as possible so as to cover the topic at hand (less discursive) versus covering more "external" details: nearby subjects, historical background, and analogies (more discursive).
The choice depends partly on the audience: someone completely new to the topic may have their working memory overloaded simply from the topic at hand, while someone with familiarity of the topic or aiming for a more advanced understanding will want to connect it to related subjects.

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