{"id":"W3119254773","doi":"10.2196/22587","title":"Quality of Physical Activity Apps: Systematic Search in App Stores and Content Analysis","year":2021,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Mobile Health and mHealth Applications","field":"Health Professions","cited_by":52,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Universität Ulm","keywords":"mHealth; App store; Mobile apps; Quality (philosophy); Computer science; Internet privacy; Activity tracker; Psychology; Physical activity; World Wide Web; Applied psychology; 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":[0.02282057,0.0008921871,0.00291763,0.04469441,0.001066173,0.002531014,0.00107835,0.0008506127,0.001433635],"category_scores_gemma":[0.08605874,0.0007790779,0.00241321,0.02288504,0.001244146,0.003381497,0.003396133,0.0007314016,0.0004417824],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002096235,"about_ca_system_score_gemma":0.009238021,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004931413,"about_ca_topic_score_gemma":0.01273523,"domain_scores_codex":[0.979326,0.00598419,0.007698287,0.001573705,0.004947453,0.0004704376],"domain_scores_gemma":[0.8679645,0.09660848,0.01824129,0.003409284,0.01296631,0.0008101632],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"systematic_review","study_design_scores_codex":[0.001080468,0.0003725128,0.2994383,0.2762518,0.004332264,0.003406976,0.04214252,0.0005224435,0.004649229,0.001523649,0.01324694,0.3530329],"study_design_scores_gemma":[0.0004461147,0.001502267,0.6042773,0.2343865,0.01605577,0.006150339,0.04559686,0.00410971,0.005420499,0.002939137,0.07865283,0.0004626767],"study_design_candidate":"systematic_review","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7304379,0.1969518,0.01025936,0.001796933,0.0001928224,0.01702269,0.03783505,0.0003995699,0.005103982],"genre_scores_gemma":[0.8209038,0.08504429,0.04590109,0.001121294,0.0001612297,0.02100222,0.02407985,0.0002190313,0.001567103],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04469441,"threshold_uncertainty_score":0.1206881,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2509611690160908,"score_gpt":0.5419604134714987,"score_spread":0.2909992444554079,"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."}}