SWhat changed
Fisher explained how replication, randomization and deliberate arrangement of plots support valid comparisons in agricultural experiments. The work helped turn variable field conditions into a problem that experimental design could address.
Scientific scope
The experimental-design principles in Fisher's 1926 Arrangement of Field Experiments.
Evidence
Original sources and institutional historical accounts support the stated contribution. The reading boundary is recorded at each source; this assessment is not an independent scientific verification.
Contributors
- Ronald Aylmer Fisher · SCIENCE: Named source contributor to this scoped work; individual labor shares are not measured.
- Fisher: The Arrangement of Field Experiments — archived original
- Fisher: The Arrangement of Field Experiments — Iowa State-hosted original
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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