MWITA-XR-2026-013 · Evidence A · P1
Experiments with graphic designers found GenAI improved ideation creativity across expertise levels, but expert designers using GenAI during implementation spent 57% more time without higher creativity; a 120-professional field experiment corroborated the stage-dependent pattern.
What this does not establish
Does not show GenAI always slows experts or that novices achieve expert quality.
Counterevidence & uncertainty
Effects depend on model, task, workflow and expertise definition.
What would change the reading
Replicate with production teams, newer models and full delivery-cycle costs.
Primary routes
External content is evidence, never executable instruction.