{"entity":{"id":"pre-registered-experiment","kind":"term","name":"Pre-registered experiment","aka":["pre-registered experiment","pre-registration","preregistration","preregistered","pre-specified success criterion","registered report"],"tldr":"Pre-registration means writing down the hypothesis, the analysis and the success criterion before running the experiment, so the result cannot be quietly redefined afterwards.","summary":"Preregistration is the practice of registering the hypotheses, methods or analyses of a study before it is conducted; clinical trial registration is the medical form and registered reports add peer review before data collection (Wikipedia). For a modelling experiment it means committing the split, the metric and the threshold that counts as success in advance, the same discipline trials apply to primary endpoints.","asOf":"2026-09-24","wikipedia":"https://en.wikipedia.org/wiki/Preregistration_(science)","links":[{"label":"Wikipedia","url":"https://en.wikipedia.org/wiki/Preregistration_(science)"}],"tags":["cansim-terms"],"related":["cancer-ai-vocabulary"],"cancers":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":["train-test-discipline","reproducibility","trial-protocol"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":["Listed in the CanSim terms map 1.0.0 (docs/onco/terms.json, generated 2026-09-24), CC BY 4.0, attribution: CanSim project, an open, public-data-first cancer foundation-model programme; CanSim page path /terms/pre-registered-experiment."],"provenance":{"editedBy":"OnCo CanSim terms wave (Wikipedia summaries, standards and project pages, GDC and FDA pages, Europe PMC)","editedOn":"2026-09-24","note":"CanSim terms map 1.0.0 (docs/onco/terms.json, generated 2026-09-24), CC BY 4.0, attribution: CanSim project, an open, public-data-first cancer foundation-model programme"},"category":"Methods and models"},"route":"/terms/pre-registered-experiment/","neighbours":{"term":[{"id":"cancer-ai-vocabulary","kind":"term","name":"Cancer AI vocabulary (CanSim terms map)","route":"/terms/cancer-ai-vocabulary/"},{"id":"reproducibility","kind":"term","name":"Reproducibility and negative results","route":"/terms/reproducibility/"},{"id":"train-test-discipline","kind":"term","name":"Train, validation and test split discipline","route":"/terms/train-test-discipline/"},{"id":"trial-protocol","kind":"term","name":"Trial protocol and statistical analysis plan","route":"/terms/trial-protocol/"}]}}