dataset,source,last_updated,notes
sms_rubric,"Sherman, Gottfredson, MacKenzie, Eck, Reuter & Bushway (1997). Preventing Crime: What Works, What Doesn't, What's Promising. Numeric levels 1-5 are the original Maryland Scientific Methods Scale.",2026-04-27,"Numeric levels 1-5 are direct from Sherman et al. (1997). Word labels (Weakest / Weak / Moderate / Strong / Strongest) follow What Works UK / Education Endowment Foundation convention. Design examples and typical-use columns are magentabook synthesis."
confidence_rubric,"Synthesised from What Works Centre confidence-rating traditions: Education Endowment Foundation (5 padlocks), Early Intervention Foundation (Foundation Standards), College of Policing (1-5 scale), and the Justice Data Lab (red / amber / green). Three-level high / medium / low structure adopted to align with HM Treasury Magenta Book (2020) supplementary value-for-money guidance.",2026-04-27,"Not a direct quotation from the Magenta Book. magentabook synthesis of cross-What-Works-Centre confidence-rating traditions. Three-level structure designed for Treasury / consultancy decision-grade reporting."
icc_reference,"Hedges & Hedberg (2007); Adams, Gulliford, Ukoumunne, Eldridge, Chinn & Campbell (2004); Campbell, Mollison & Grimshaw (2000); EEF / DfE / DWP / MHCLG / MoJ impact-evaluation reports.",2026-04-27,"Reference intra-class correlation coefficients across UK policy domains. Each row is tagged in the bundled CSV with value_source = 'table_quote' (direct extraction with table number) or 'central_estimate' (researcher synthesis within published range). Practitioners should compute domain-specific ICCs from baseline data wherever feasible."
question_taxonomy,"HM Treasury Magenta Book (2020) chapters on process, impact, and economic evaluation; supplementary Magenta Book guides on value for money and theory-based evaluation.",2026-04-27,"Magenta Book canonical evaluation question taxonomy with methods and chapter references. Sub-types (e.g. 'attribution', 'fidelity') are conventional categories used across HMG evaluation practice."
