{"id":"W3104658740","doi":"10.2196/20460","title":"Engagement Features in Physical Activity Smartphone Apps: Focus Group Study With Sedentary People","year":2020,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Mobile Health and mHealth Applications","field":"Health Professions","cited_by":22,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Focus group; Psychological intervention; Flexibility (engineering); Psychology; Autonomy; Thematic analysis; Applied psychology; Physical activity; Behavior change methods; Qualitative research; Medicine; Physical therapy","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":[0.007135546,0.001008997,0.0011107,0.001574168,0.005568887,0.001499465,0.001022576,0.002441731,0.003509222],"category_scores_gemma":[0.006182068,0.0007207532,0.0007516312,0.0008285788,0.002125604,0.001671399,0.002924933,0.001621253,0.0006090074],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001643162,"about_ca_system_score_gemma":0.00226461,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004743392,"about_ca_topic_score_gemma":0.00827544,"domain_scores_codex":[0.9974986,0.001167286,0.0001390392,0.0003672012,0.0002190272,0.0006089084],"domain_scores_gemma":[0.9956399,0.002605656,0.0003299939,0.0001065539,0.000611754,0.0007061732],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"qualitative","study_design_scores_codex":[0.0002935306,0.004255052,0.01925697,0.0005534436,0.0000313528,0.00137383,0.9539037,0.00003028533,0.004643002,0.0001887211,0.0005199888,0.01495019],"study_design_scores_gemma":[0.000254356,0.00596982,0.05537471,0.0004044082,0.0001063952,0.0006507163,0.9297321,0.0001899908,0.001356125,0.0002872351,0.005612605,0.00006154812],"study_design_candidate":"qualitative","study_design_consensus":"qualitative","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9979151,0.0001709466,0.0004998124,0.0001630194,0.00002057103,0.0007007846,0.00003318568,0.000005101039,0.0004916045],"genre_scores_gemma":[0.9905313,0.0006798306,0.001892245,0.0007992979,0.00006511307,0.003708786,0.0001048658,0.0000102568,0.002208438],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.007135546,"threshold_uncertainty_score":0.03773677,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0687752892834913,"score_gpt":0.438100281697495,"score_spread":0.3693249924140037,"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."}}