https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8/Head https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8 http://www.nanopub.org/nschema#hasAssertion https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8/assertion https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8 http://www.nanopub.org/nschema#hasProvenance https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8/provenance https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8 http://www.nanopub.org/nschema#hasPublicationInfo https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8/pubinfo https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8 http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.nanopub.org/nschema#Nanopublication https://w3id.org/np/RAVnpNJLew1umiRJRKf7iqE8Z3cEc7S4GhbRJzYNMb0b8/assertion https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test http://purl.org/dc/terms/description fetch.py requested the file(s) by their Dryad file-stream URLs with a plain HTTP client and received HTTP 403 with a proof-of-work challenge page (the Dryad API download endpoint requires an account token). Per BEST_PRACTICES.md, sites that block automated requests are not circumvented, so no data were inspected and no analysis was run. fetch.py accepts a manually downloaded copy placed in data/ and records its checksum; the pre-registered analysis can then be run without changing the criteria. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/delphi/ontology/Assessment https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test http://www.w3.org/2000/01/rdf-schema#comment Measured: null not measured (n = 0). Interpretation: Nasonia is haplodiploid; the claim states the diploid formula, which is used as stated. The haplodiploid correction (Hamilton 1979) raises the predicted son proportion slightly, which is noted but not applied. Single-foundress broods are excluded from the deviation criterion because the formula gives zero sons at n = 1 while a mother must produce at least one son to fertilise her daughters; they are included in the correlation. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test http://www.w3.org/2000/01/rdf-schema#label Claim test of hamilton-lmc: inconclusive, confidence 1 https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test http://www.w3.org/2000/01/rdf-schema#seeAlso https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/math-bio-claims/hamilton-lmc/result.json https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test http://www.w3.org/ns/prov#wasAttributedTo https://w3id.org/delphi/resource/agent/delphisci-claim-tester-claude-fable-5-1 https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/admissibleDatasets Planned datasets: cook2015-nasonia-methylation-sex-allocation-dryad https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/assessmentType claim-test/0.1.0 https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/dataKind none https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/disconfirmingObservation Pre-registered. REFUTES if rho <= 0 or p >= 0.05 (no increase of the son proportion with foundress number). MIXED if the increase is present but the deviation from (n - 1) / (2n) exceeds 0.10. INCONCLUSIVE (not-operationalizable) if the file does not record foundress number per brood. INCONCLUSIVE (data-unavailable) if Dryad keeps blocking automated download (as of 2026-10-31 it serves a JavaScript proof-of-work challenge to scripted requests, which this project does not circumvent) and no manually downloaded copy with a recorded checksum is supplied. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/evidenceAgainst Dryad's metadata API (which does not require a token) confirmed the file names and sizes; nothing about the data values was seen. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/evidenceAgainst The dataset exists and is public (CC0) but could not be fetched by script; a person with a browser can download it in seconds, after which this test is runnable as pre-registered. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/expectedObservation Pre-registered. Data: Cook et al. (2015) 'DNA methylation and sex allocation in the parasitoid wasp Nasonia vitripennis', Dryad doi:10.5061/dryad.15nj0, file DryadData.xlsx; only control (untreated or vehicle-treated) females are used, with the number of co-foundresses and the numbers of sons and daughters per brood or host as given in the file. SUPPORTS if Spearman rho(number of foundresses, proportion of sons) > 0 with p < 0.05 across broods AND the mean absolute deviation between the observed mean proportion of sons at each foundress number n >= 2 and (n - 1) / (2n) is <= 0.10. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/failCriterion Pre-registered. REFUTES if rho <= 0 or p >= 0.05 (no increase of the son proportion with foundress number). MIXED if the increase is present but the deviation from (n - 1) / (2n) exceeds 0.10. INCONCLUSIVE (not-operationalizable) if the file does not record foundress number per brood. INCONCLUSIVE (data-unavailable) if Dryad keeps blocking automated download (as of 2026-10-31 it serves a JavaScript proof-of-work challenge to scripted requests, which this project does not circumvent) and no manually downloaded copy with a recorded checksum is supplied. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/hasConfidence 1 https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/hasEvidence https://w3id.org/delphi/resource/evidence/hamilton-lmc--claim-test--dataset-1 https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/hasVerdict inconclusive https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/hypothesis If mothers adjust the sex ratio of their offspring to the degree of local mate competition, then in the parasitoid wasp Nasonia vitripennis the proportion of sons should rise with the number of foundresses laying on a host, and for n >= 2 foundresses should lie near Hamilton's unbeatable value (n - 1) / (2n). https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/inferenceMethod fetch.py requested the file(s) by their Dryad file-stream URLs with a plain HTTP client and received HTTP 403 with a proof-of-work challenge page (the Dryad API download endpoint requires an account token). Per BEST_PRACTICES.md, sites that block automated requests are not circumvented, so no data were inspected and no analysis was run. fetch.py accepts a manually downloaded copy placed in data/ and records its checksum; the pre-registered analysis can then be run without changing the criteria. https://w3id.org/delphi/resource/assessment/hamilton-lmc--claim-test https://w3id.org/delphi/ontology/passCriterion Pre-registered. Data: Cook et al. (2015) 'DNA methylation and sex allocation in the parasitoid wasp Nasonia vitripennis', Dryad doi:10.5061/dryad.15nj0, file DryadData.xlsx; only control (untreated or vehicle-treated) females are used, with the number of co-foundresses and the numbers of sons and daughters per brood or host as given in the file. 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