{"id":"W7102648390","doi":"10.2196/79453","title":"Immersive Tai Chi for Home-Based Exercise in Older Adults: Usability and Feasibility Study","year":2025,"lang":"en","type":"article","venue":"JMIR Serious Games","topic":"Balance, Gait, and Falls Prevention","field":"Health Professions","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Usability; Novelty; Key (lock); Physical activity; Psychological intervention; Older people","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004665185,0.0006083014,0.0006159199,0.0005799618,0.000361457,0.0004699308,0.0004299995,0.0004777709,0.001465389],"category_scores_gemma":[0.006455211,0.0002858219,0.0008764426,0.0002159177,0.0002672486,0.0004543152,0.0006298744,0.000342348,0.0002121372],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001656,"about_ca_system_score_gemma":0.0004850025,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008052414,"about_ca_topic_score_gemma":0.002094531,"domain_scores_codex":[0.9983885,0.0008125069,0.0001935506,0.0001478613,0.0003456872,0.0001118292],"domain_scores_gemma":[0.997148,0.001467504,0.0002128663,0.0001862573,0.00074534,0.0002400983],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.0112629,0.07343721,0.3800362,0.005415788,0.001102708,0.002222713,0.02943965,0.001528463,0.08979647,0.0003060373,0.002316816,0.4031351],"study_design_scores_gemma":[0.001923814,0.210856,0.754297,0.0005145268,0.001088669,0.002465134,0.008113272,0.005460756,0.01007346,0.0001693666,0.00488761,0.0001504511],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9963894,0.000150855,0.001641048,0.00002943585,0.000009367081,0.001253305,0.00005802522,0.00002540684,0.0004431895],"genre_scores_gemma":[0.9840304,0.0004023795,0.01235275,0.00009309311,0.00002871403,0.002464564,0.0001370467,0.00001217033,0.0004789619],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004665185,"threshold_uncertainty_score":0.02467215,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01641518018279524,"score_gpt":0.3759350949216878,"score_spread":0.3595199147388925,"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."}}