{"closest_prior_art":[{"name":"Japanese national-team baton-exchange video case study","overlap":"Uses side-view video to reconstruct passer and receiver velocities, receiver acceleration, exchange duration, handoff position, free distance, and trial-specific context in an elite 4×100 m practice setting.","remaining_difference":"It diagnoses exchange technique but does not trace instructions through assistants and athlete adaptations, distinguish personal coaching choices from positional access, test coach substitution and structural counterfactuals together, or impose selection and employment boundaries.","source_ids":["SRC1"]},{"name":"UK government impact-evaluation guidance","overlap":"Separates observed change from causal attribution, treats simple before/after designs as weak, requires attention to counterfactuals, competing influences, data quality, timing, and proportional design.","remaining_difference":"It is generic evaluation guidance, not a relay-specific reconstruction joining dyadic movement evidence, staff roles, narrative prominence, qualified-coach substitution, and changes to pairing, camp access, feedback, authority, and zone constraints.","source_ids":["SRC2"]},{"name":"NCAA responsible-use guidance for performance technologies","overlap":"Recognizes cameras and other performance-data systems as governed technologies and identifies privacy, informed consent, data security, well-being, implementation, and management concerns.","remaining_difference":"It governs data use but does not provide a method for causal contribution reconstruction or separate causal explanation from selection, employment, reward, blame, and discipline.","source_ids":["SRC3"]},{"name":"NCAA expanded sprint-relay exchange-zone rule","overlap":"Shows that the operative exchange-zone definition changed from a 10 m acceleration area plus 20 m exchange zone to a single 30 m zone, demonstrating that rule regime is a material structural and measurement condition.","remaining_difference":"It specifies competition conditions but does not reconstruct coaching, athlete-pair learning, implementation, measurement, attribution, or counterfactual replaceability.","source_ids":["SRC4"]}],"contrastive_claim_falsifier":"The claim fails if blinded reconstruction cannot reproducibly link dated coach or assistant instructions to pair practice and exchange states, or if removing identities, qualified-coach substitution, and the pairing/access/feedback/authority/rule probes leaves the substantive causal synthesis unchanged.","contrastive_claim_remaining":"Relative to the adjacent biomechanical case study, generic impact-evaluation guidance, performance-data governance, and relay rules, the proposal distinctly tests whether a coach-specific contribution to dyadic exchange learning remains plausible after both qualified-occupant substitution and bounded changes to pairing continuity, shared practice, feedback, selection authority, and competition constraints, while barring consequential personnel use.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"The bounded search covered the exact title and intervention, causal-attribution and relay terms, historical changeover/takeover vocabulary, video-analysis practice, performance-data guidance, current and former zone rules, coaching products, and component combinations. It found strong adjacent components but no retained source implementing the whole combination.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"The proposed eight-race retrospective test is finite, uses already-held records, two blinded coders, one actor-substitution probe, one structural probe, and explicit stopping criteria. It can test coding reliability and discriminability, although SRC2 means it must not be presented as a robust effect estimate without a defensible comparison.","source_ids":["SRC1","SRC2"],"status":"PASS"},"distinct_testable_claim":{"rationale":"The searched prior art separately covers exchange biomechanics, attribution design, data governance, and rule constraints, but not the joint claim that an actor-specific pathway should survive both qualified-coach substitution and structural perturbation. The proposal supplies observable links and a clear falsifier.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"A de-identified review of authorized existing records has no obvious categorical stop when overseen as proposed. Privacy, consent, security, and well-being require verification, and disputed authority or consequential personnel use correctly triggers a halt rather than invalidating the bounded first step.","source_ids":["SRC3"],"status":"PASS"},"supported_problem":{"rationale":"SRC1 shows exchange outcomes require trial-level, multi-factor interpretation; SRC2 shows that simple pre/post change cannot ordinarily establish attribution; SRC4 shows rule definitions can change the meaning of exchange measurements. These support the general problem, though the searched sources do not independently verify the proposal's particular federation presentation.","source_ids":["SRC1","SRC2","SRC4"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The general attribution problem is visible: elite relay analysis treats exchange performance as pair-specific and context-sensitive, generic evaluation guidance rejects unqualified pre/post attribution, and exchange-zone rules have changed. Public evidence retained here does not establish that the specified federation account exists or omits exactly the listed contributors.","source_ids":["SRC1","SRC2","SRC4"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P105","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":"No searched result combined relay-level process tracing, qualified-coach substitution, structural constraint probes, narrative-credit auditing, and personnel-use boundaries in one method.","queries":["4x100 relay coach contribution attribution process tracing substitution counterfactual","baton exchange actor substitution structural counterfactual coach contribution","contribution analysis causal attribution process tracing counterfactual alternative explanations official guidance evaluation"],"source_ids":["SRC1","SRC2"]},"direct_problem_and_intervention":{"no_result_note":"The exact-title search returned no relevant match; broader direct searches returned adjacent timing, coaching, camp, and biomechanical material rather than the complete reconstruction.","queries":["\"Relay Exchange Contribution Reconstruction\"","relay coaching causal contribution reconstruction race video timing camp records","4x100 relay baton exchange time analysis coach intervention camp athlete pairs"],"source_ids":["SRC1","SRC2"]},"products_practices_and_standards":{"no_result_note":null,"queries":["World Athletics relay exchange zone rules 4x100 coaching","official 4x100 relay 30 metre takeover zone rules athletics federation","retrospective sports performance video analysis ethics athlete data employment selection guidance"],"source_ids":["SRC3","SRC4"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["sprint relay changeover coaching exchange zone takeover zone biomechanical analysis","4x100 relay baton exchange performance pair familiarity training video analysis","site:worldathletics.org 30m takeover zone 4x100 relay rule"],"source_ids":["SRC1","SRC4"]}},"sources":[{"claims_supported":["Elite 4×100 m exchange practice can be reconstructed from video using pair-level velocity, acceleration, duration, location, and distance measures.","Interpretation should examine each trial and its circumstances rather than rely on a single exchange metric.","This is close biomechanical prior art but does not itself perform distributed actor attribution."],"publisher":"Japan Institute of Sports Sciences / Japan Sport Council","source_id":"SRC1","source_type":"PRIMARY_RESEARCH","title":"Assessment of baton-exchange technique in 4 × 100m Relay — Toward Tokyo 2020 Olympic Games: a case study","url":"https://www.jstage.jst.go.jp/article/jissjhps/10/0/10_107/_article/-char/en"},{"claims_supported":["Observed before/after change is not equivalent to attribution.","No-comparison designs provide weak counterfactual evidence because other factors may explain the change.","Evaluation feasibility depends on precise timing, individual-level data, measurement quality, confounding complexity, and proportionate design."],"publisher":"UK Government","source_id":"SRC2","source_type":"OFFICIAL_GUIDANCE","title":"Quality in policy impact evaluation (QPIE)","url":"https://www.gov.uk/government/publications/the-magenta-book/quality-in-policy-impact-evaluation-qpie-html"},{"claims_supported":["Cameras and related systems are performance technologies collecting performance-related data.","Responsible use must address privacy, informed consent, data security, well-being, implementation, and management.","The proposal's consent, de-identification, authority, and use restrictions address recognized governance concerns."],"publisher":"National Collegiate Athletic Association","source_id":"SRC3","source_type":"OFFICIAL_GUIDANCE","title":"Performance Technologies Responsible Use in Collegiate Athletics","url":"https://www.ncaa.org/what-we-do/health-safety-and-performance/performance-technologies-guidelines/"},{"claims_supported":["The NCAA expanded 4×100 m and 4×200 m exchange zones to 30 m effective in 2018-19.","The previous regime separated a 10 m acceleration area from a 20 m exchange zone.","Rule regime and zone definition are therefore relevant structural and measurement conditions for historical comparisons."],"publisher":"National Collegiate Athletic Association","source_id":"SRC4","source_type":"OFFICIAL_STANDARD","title":"Expanded exchange zones approved in track and field","url":"https://www.ncaa.org/story.aspx?file_date=8-16-2018&filename=expanded-exchange-zones-approved-in-track-and-field"}],"world_novelty_boundary":"This bounded public-web screen supports only an adjacent-prior-art disposition and coarse researchability. It does not establish world novelty, patentability, market size, expert acceptance, or realized value; inaccessible, unindexed, proprietary, federation-internal, non-English, and patent literature may contain closer combinations."}