OLS · Robustness
Specification Searching
Trying many unplanned models until one produces a preferred result weakens the evidential claim.
Page 1 of 7 · Big Picture
The big picture: Specification Searching
When does model comparison become specification searching?
Why a policy analyst should care
Trying many defensible-looking models until one gives a desired result converts uncertainty about analysis choices into overstated evidence.
Follow the idea from the opening question to a practical decision. These are the conceptual moves this module will develop:
1 Question When does model comparison become specification searching?
2 Explore See how silent choices multiply
3 Formalize Separate planned alternatives from searching
4 Transfer Audit a preferred result
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