{"id":"W4409687883","doi":"10.2196/60607","title":"Usability Evaluation of an Electrically Powered Orthopedic Exerciser: Focus Group Interview and Satisfaction Survey Study","year":2025,"lang":"en","type":"article","venue":"JMIR Human Factors","topic":"Muscle activation and electromyography studies","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Preprint; Usability; Focus group; Psychology; Engineering; Computer science; Human–computer interaction; Business; World Wide Web; Marketing","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":[0.02462788,0.0006110109,0.00103794,0.001586527,0.001091792,0.0009429978,0.0008231511,0.0007633549,0.0015963],"category_scores_gemma":[0.02695044,0.000362732,0.000973369,0.0009291313,0.000857689,0.001049026,0.001427387,0.0006584567,0.0003642762],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00155136,"about_ca_system_score_gemma":0.001666017,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001638365,"about_ca_topic_score_gemma":0.002208648,"domain_scores_codex":[0.9860824,0.009905286,0.001239642,0.0005932028,0.001447771,0.000731613],"domain_scores_gemma":[0.9739705,0.01557933,0.001876415,0.0006484722,0.006833511,0.001091735],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"qualitative","study_design_scores_codex":[0.00175495,0.01039724,0.4211671,0.004071555,0.0003776363,0.00306042,0.3797073,0.0009484682,0.01914246,0.0004064977,0.003159942,0.1558064],"study_design_scores_gemma":[0.0005340687,0.03612714,0.6328397,0.0008289586,0.0003809558,0.001685784,0.3010965,0.005831534,0.008596254,0.0002388824,0.01157763,0.0002625277],"study_design_candidate":"qualitative","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9970817,0.00007359355,0.001277657,0.0001097947,0.000007657947,0.0008284975,0.00007022473,0.00001603945,0.000534823],"genre_scores_gemma":[0.9919961,0.0002063707,0.003998952,0.0002591155,0.00002164614,0.002644917,0.0001775399,0.00001778015,0.0006775165],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02462788,"threshold_uncertainty_score":0.1302462,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0401147934544215,"score_gpt":0.3192384598028019,"score_spread":0.2791236663483804,"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."}}