Evidence Ledger · Protocol candidate · reviewed 2026-08-26

Spoken disagreement is more constructive than written disagreement

The reviewed source can support a conservative practical protocol.

Brali decision: Protocol candidate. This page summarizes a reviewed evidence boundary; it does not reproduce the source and it does not turn one paper into a universal prescription.

What the source supports

For manageable disagreement settings similar to those studied, moving a discussion from writing to speaking is a reasonable tactic to test when the primary goal is mutual understanding: spoken conversations tended to produce greater perceived understanding and lower perceived conflict than written conversations.

What it does not establish

Important limitations

Source context

Spoken disagreement is more constructive than written disagreement

  • Source type: series-of-randomized-experiments
  • Design: Series of randomized experiments comparing spoken and written disagreement across laboratory and field-like settings, with 1,576 conversation partners, 1,842 conversations, and 1,432 observers reported across the paper. Several studies separately manipulated conversation structure and examined conversational receptiveness.
  • Population: Participants were primarily college students at American universities and often strangers. Conversation topics were controversial opinion disagreements; overall conflict levels were relatively low.
  • Exposure / intervention: Disagreeing partners were assigned to spoken or written conversation, with some studies also varying interactivity, duration or synchronicity.
  • Outcomes: Perceived understanding; Perceived conflict; Social impressions; Attitude alignment; Conversational receptiveness

Citation: Bevis B, Schroeder J, Yeomans M. Nature Communications. 2026;17:5792.

DOI: 10.1038/s41467-026-71669-5

What this changes in Brali

Historical review target

move disagreement to voice

This identifier was used as an evidence-review target but was never published as a canonical Brali protocol. It is retained as provenance and deliberately does not link to a public route.

Editorial note: Protocol direction: detect repetitive or escalating text disagreement, separate the need for a durable record from the need for mutual understanding, move one bounded issue to voice only when safe and appropriate, then document decisions and unresolved points.

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