Installing air filters in classrooms has surprisingly large educational benefits (2020)
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2007–2026One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.
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HN comment orderI'm all for installing air filters in classrooms for a number of reasons, but I also think the extreme results from this study aren't going to hold up to further research. From the paper: > To do so, I leverage a unique setting arising from the largest gas leak in United States history, whereby the offending gas company installed air filters in every classroom, office and common area for all schools within five miles of the leak (but not beyond)…
Andrew Gelman: "No, I don’t think that this study offers good evidence that installing air filters in classrooms has surprisingly large educational benefits." https://statmodeling.stat.columbia.edu/2020/01/09/no-i-dont-...
The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.
- Breakout years
- 2
- Total points
- 477
- Total comments
- 190
100+ points or 50+ comments
reference only — not used in Hall rules or ranking
reference only — not used in Hall rules or ranking
Every submission
| Date | Title as submitted | By | Points | Comments |
|---|---|---|---|---|
| 2020-01-08 | Air filters create educational gains | jseliger | 5 | 0 |
| 2020-01-09 | Installing air filters in classrooms has large educational benefits?First breakout | rafaelc | 164 | 48 |
| 2025-03-31 | Installing air filters in classrooms has surprisingly large educational benefits (2020)Best thread · Latest 20+ point return | tangjurine | 308 | 142 |