Reproducibility Archive for "A Function-Sensitive Audit of Lexical Demand in Primary Science Textbooks: Cambridge Stage 4 vs Stage 5 (2nd ed.)"

This anonymized reproducibility archive supports the manuscript “A Function-Sensitive Audit of Lexical Demand in Primary Science Textbooks: Cambridge Stage 4 vs Stage 5 (2nd ed.).”The archive contains methodological specifications, frozen lexical resources, statistical source data, reproducibility and verification implementations, figure-source data, unit-level mappings, exclusion and QUARANTINE accounting, reliability documentation, and supporting materials required to verify the reported analyses within the stated copyright constraints.Copyrighted textbook text is not redistributed. Where source text cannot legally be redistributed, the archive provides hashes, derived numerical evidence, specifications, and verification materials sufficient to establish the identity and scope of the analytical objects.Archive version: v1.14Archive date: 26 September 2026SHA-256: c5ead49aeeba84bf0e422415463931f0d0acc2e203c32a66db2eca192d3784c9This record is prepared for anonymous peer review.