The identity–image gap · The diagnosis · Element
The reach check
Whether people encountered the claim at all.
The part
What it is
Asked directly: do they recall the claim being made? Those who do and reject it are a different group from those who never saw it.
This is the cheapest diagnostic to run and it eliminates the most common wrong answer.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.