{"id":"W2773663892","doi":"10.2196/mental.8086","title":"Can Facebook Reduce Perceived Anxiety Among College Students? Randomized Controlled Exercise Trial Using the Transtheoretical Model of Behavior Change","year":2017,"lang":"en","type":"article","venue":"JMIR Mental Health","topic":"Mental Health via Writing","field":"Psychology","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Transtheoretical model; Psychology; Anxiety; Social media; Behavior change; Mental health; Intervention (counseling); Randomized controlled trial; Psychological intervention; Social anxiety; Clinical psychology; Physical activity; Physical therapy; Social psychology; Medicine; Psychiatry","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":[0.002447302,0.001229031,0.0034532,0.0009535554,0.001034853,0.001057866,0.001032384,0.002451386,0.01123138],"category_scores_gemma":[0.003009458,0.0009627971,0.001926658,0.0005789062,0.001370359,0.001182141,0.0009917888,0.003172472,0.00112123],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008572343,"about_ca_system_score_gemma":0.001355472,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00227642,"about_ca_topic_score_gemma":0.002796788,"domain_scores_codex":[0.9984928,0.0007359085,0.0001475221,0.0002775001,0.0001292436,0.0002169896],"domain_scores_gemma":[0.9985061,0.0004546326,0.0002660915,0.00015983,0.000134744,0.0004787063],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.8953416,0.08075443,0.000813748,0.0007516113,0.001043784,0.00002282756,0.0001412236,0.0002677849,0.001040345,0.0001123083,0.0003872306,0.01932322],"study_design_scores_gemma":[0.8581274,0.1373939,0.002580526,0.00006958996,0.0005130674,0.000005942223,0.00006040974,0.0005089633,0.0002664943,0.000150177,0.0003093484,0.00001426545],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9675074,0.001390121,0.001037454,0.0008135205,0.001081531,0.02526616,0.0005355967,0.0002438774,0.002124356],"genre_scores_gemma":[0.9380005,0.001412374,0.004401305,0.001091573,0.0007024068,0.05056683,0.0003378213,0.000023901,0.003463295],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01123138,"threshold_uncertainty_score":0.03757274,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08779691133868482,"score_gpt":0.4443924686241645,"score_spread":0.3565955572854797,"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."}}