Exercise 3: Why an Assumption-Only Persona Isn't a Real Persona — Possible Solution
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A persona is supposed to be a research artifact - a fictional,
composite user built from real data about real people, used to keep a
team grounded in actual human needs rather than an abstract idea of
"the user." Building one purely from what everyone in the room already
assumes skips the one thing that actually makes a persona useful: the
real research behind it. The result looks like a persona (a name, a
goal, a quote) but functions as a guess wearing a research artifact's
own clothing.

This isn't a harmless shortcut - a persona built on assumption can
actively mislead a team, since it carries the same visual authority
and internal consistency as a genuine one, making a team's own
unexamined biases about "the user" look like verified findings once
they're written down and given a name.

The real fix is to base the persona on actual research - real
interviews, real observed behavior, or real survey data from actual
users - even a small amount, rather than skipping straight to writing
the persona from assumption. Alan Cooper's own earliest prototype
personas were built from as few as 7-8 informal interviews - a modest
amount of real research, but real research nonetheless, is what
separates a genuine persona from an assumption dressed up as one.

ANSWER: This wouldn't count as a genuine persona because it skips the
real research that gives a persona its actual value - it would be an
assumption dressed up as a research artifact, not a research artifact
itself. The fix is to base it on real data (interviews, observed
behavior, or survey responses from actual users), even a small amount,
rather than building it purely from the team's own existing
assumptions.

WHY THIS WORKS AS AN ANSWER
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This correctly identifies the chapter's own central requirement -
that a persona must be grounded in real research to be legitimate -
and explains the real risk of skipping that step rather than treating
it as a minor formality.