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Inquiétude and the Long Way Around
I recently reread David Brooks’ essay “You Might Be a Late Bloomer” in The Atlantic.
May 24
•
Guy Deutschman
1
A Small Domain Change
A Small Domain Change
May 24
•
Guy Deutschman
A clearer visual model for the Apparent Certainty Framework
When I first shared the Apparent Certainty Framework, I knew the visual model would continue to evolve.
May 14
•
Guy Deutschman
The Apparent Certainty Framework
For a long time, I struggled to explain something I kept noticing in pulmonary function testing.
May 6
•
Guy Deutschman
A Model for When Results Look More Certain Than They Should
In the last post, I wrote about a pattern I keep seeing in pulmonary function testing.
May 2
•
Guy Deutschman
April 2026
I Built a Model of Something That Didn’t Make Sense
I’ve always noticed how people often take something complex and turn it into a clean, confident statement.
Apr 29
•
Guy Deutschman
PFTs Are a High-Skill Task in a Low-Transparency System
Pulmonary function testing is strange.
Apr 28
•
Guy Deutschman
PFTs Don’t Know How Important They Are
Pulmonary function tests are strange.
Apr 28
•
Guy Deutschman
What Gets Compared
There are cases where the result doesn’t just pass.
Apr 27
•
Guy Deutschman
When Everything Checks Out—and Still Doesn’t Add Up
In the last post, I walked through an example of how selecting for larger ERV can shift the final result—without causing it to fail.
Apr 26
•
Guy Deutschman
What gets selected
There are cases where the result doesn’t just pass.
Apr 25
•
Guy Deutschman
It passed every check
There’s a kind of result that doesn’t just sit on a page.
Apr 25
•
Guy Deutschman
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