BWhat changed
Analyzed risks in a sequential large-software development process and proposed added design, documentation, pilot development, testing and customer-involvement steps to reduce them.
Scientific scope
The record is the exact 1970 WESCON paper. It is not represented as simple advocacy of a one-pass waterfall: Royce described the basic sequence as risky and added iteration and feedback; later named lifecycle models remain separate.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact 1970 WESCON paper. It is not represented as simple advocacy of a one-pass waterfall: Royce described the basic sequence as risky and added iteration and feedback; later named lifecycle models remain separate.
Contributors
- Winston W. Royce · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
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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