F1-01S3 · Ease machine
Inputs
RepetitionSeen before feels easy
Clear displayLegible layout lowers strain
PrimingRecent cues ready related ideas
Good moodPositive affect raises ease
Ease
High · low strain
Outputs
Feels familiarFeels already known
Feels trueCoherent equals credible
Feels goodPleasant, low friction
Feels effortlessNo call for System 2
Warning Ease measures the display, and only the display.

Fluency rises without a single new fact.