{"id":"W1991362225","doi":"10.1002/sim.3383","title":"Sample size calculation for cluster randomized cross‐over trials","year":2008,"lang":"en","type":"article","venue":"Statistics in Medicine","topic":"Statistical Methods in Clinical Trials","field":"Mathematics","cited_by":105,"is_retracted":false,"has_abstract":true,"ca_institutions":"Robarts Clinical Trials; Western University","funders":"","keywords":"Intraclass correlation; Sample size determination; Cluster (spacecraft); Statistics; Sample (material); Cluster analysis; Cross over; Randomized controlled trial; Computer science; Correlation; External validity; Econometrics; Mathematics; Medicine; Physics; Psychometrics; Internal medicine; Thermodynamics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch","insufficient_payload"],"consensus_categories":["metaresearch"],"category_scores_codex":[0.03303219,0.0003020635,0.003220513,0.0001272589,0.0001324468,0.0000170416,0.0002284159,0.0002472478,0.001754177],"category_scores_gemma":[0.9313619,0.0002121727,0.0002165112,0.0002380068,0.001138588,0.00005000615,0.00005444404,0.0003207227,0.000009504874],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001013035,"about_ca_system_score_gemma":0.00009427287,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000124487,"about_ca_topic_score_gemma":0.00002280762,"domain_scores_codex":[0.9910928,0.003544206,0.003685136,0.0004889049,0.0007398458,0.0004490974],"domain_scores_gemma":[0.4054736,0.5930437,0.0006987997,0.0003674174,0.0002809837,0.000135392],"domain_codex":null,"domain_gemma":"methods","domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.06691938,0.0002388144,0.0009717276,0.000485013,0.0002465249,0.00003605522,0.0009053029,0.00004238968,0.00007141245,0.8152025,0.1085008,0.006380055],"study_design_scores_gemma":[0.1902551,0.0001547689,0.0007434044,0.0001187537,0.0002419002,0.000004417786,0.00001377139,0.008017958,0.00003231412,0.7995901,0.0006392685,0.0001882212],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.002595501,0.00005221835,0.9899044,0.0005880314,0.001671293,0.003249906,0.001253412,0.00005954346,0.0006256667],"genre_scores_gemma":[0.01116903,0.0001317825,0.9854928,0.0007780596,0.001200499,0.0003750537,0.00003635309,0.00006006219,0.0007563297],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.8983297,"threshold_uncertainty_score":0.9991584,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.5602429666646603,"score_gpt":0.6200809675466604,"score_spread":0.05983800088200009,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}