Exercise 2: "No Evidence in These Studies" vs. "The Effect Doesn't Exist" — Possible Solution
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"No clear evidence of a placebo effect in the specific studies Beecher
cited" is a claim about the quality and content of one particular
paper's own evidence - it says the real data Beecher pointed to didn't
actually demonstrate what he claimed it demonstrated, once properly
reanalyzed.

"The placebo effect itself is fake" would be a much broader claim
about the real underlying phenomenon across all research, not just
Beecher's own specific citations. These are genuinely different
claims, and disproving the narrower one doesn't automatically disprove
the broader one.

This is directly analogous to the chapter's own reasoning about
Beecher's paper: a famous, specific piece of evidence being weaker
than its reputation suggests is a real, valid finding about that
evidence - but the broader phenomenon it was trying to demonstrate can
still be real, supported by other, better-designed, more rigorous
modern research that wasn't part of Beecher's own original flawed
citations. Chapter 4's own real language makes exactly this
distinction: the "specific famous evidence" is shakier, while "the
placebo effect itself remains real and measurable in modern,
better-controlled research."

ANSWER: These are genuinely different claims. "No clear evidence in
Beecher's own cited studies" is a specific finding about the quality of
one paper's evidence. "The placebo effect doesn't exist" would be a
much broader claim about the underlying phenomenon across all
research. Disproving Beecher's own specific evidence doesn't disprove
the broader phenomenon, which remains supported by other, more
rigorous modern research conducted separately from his original,
flawed citations.

WHY THIS WORKS AS AN ANSWER
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This clearly separates the narrow claim (about one paper's evidence)
from the broad claim (about the underlying phenomenon), directly using
the chapter's own real distinction rather than treating the reanalysis
as a full debunking.