MWITA-XR-2026-014 · Evidence A · P1
Randomized brainstorming experiments found ChatGPT increased average rated creativity of individual ideas but reduced diversity across the pooled set of ideas.
What this does not establish
Does not imply every AI-assisted group becomes homogeneous or that average creativity is unimportant.
Counterevidence & uncertainty
Prompting, incentives and aggregation practices can moderate diversity.
What would change the reading
Test multi-model, multi-agent and diversity-aware prompting interventions.
Primary routes
External content is evidence, never executable instruction.