Citation

Rethink Priorities - Footnote 56

partial90% confidence

1 evidence check

Last checked: 4/3/2026

The source is from 2020, not 2023 as the claim states. The claim uses the phrase "very difficult" while the source uses the phrase "is very difficult".

Evidence — 1 source, 1 check

rethinkpriorities.org/rethink-priorities-2020-impact-and-2021-strategy/(1 check)

partial90%Haiku 4.5 · 4/3/2026

Found: The organization acknowledged in 2023 that impact assessment is "very difficult" and relies on rough back-of-envelope calculations and retrospectives.

Note: The source is from 2020, not 2023 as the claim states. The claim uses the phrase "very difficult" while the source uses the phrase "is very difficult".

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Record ID: page:rethink-priorities:fn56