{"id":"W4416585228","doi":"10.2196/80090","title":"Evaluating Causal and Noncausal Text Messages to Promote Physical Activity in Adults: Randomized Pilot Study","year":2025,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Digital Mental Health Interventions","field":"Psychology","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Physical activity; Intervention (counseling); Value (mathematics); Causality (physics); Text message; Randomized controlled trial; Action (physics)","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":[0.008688392,0.002079417,0.003021782,0.001179081,0.001026,0.001240213,0.001366989,0.0032155,0.01330855],"category_scores_gemma":[0.01467883,0.001238951,0.002811552,0.0009441589,0.001484437,0.002148032,0.001186545,0.00262346,0.001350294],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0012764,"about_ca_system_score_gemma":0.003690529,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002753477,"about_ca_topic_score_gemma":0.003368325,"domain_scores_codex":[0.9939532,0.003896606,0.0005886722,0.0005715009,0.0004576843,0.0005323304],"domain_scores_gemma":[0.9888185,0.006045889,0.001944378,0.0007161603,0.0009643564,0.001510726],"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":[0.7947912,0.1675505,0.001748157,0.002390421,0.001373227,0.00008470986,0.0004215654,0.000438052,0.001065375,0.0001593663,0.0005478256,0.02942964],"study_design_scores_gemma":[0.7020426,0.2936118,0.002199617,0.00009768483,0.0007509084,0.00001031505,0.00009665197,0.0003477827,0.0002305962,0.0001500405,0.0004459422,0.00001617189],"study_design_candidate":"randomized_trial","study_design_consensus":"randomized_trial","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8892518,0.001393092,0.002453127,0.0005493931,0.0007091223,0.1025753,0.001165949,0.0002809313,0.00162137],"genre_scores_gemma":[0.8247167,0.001951376,0.01211411,0.0009281354,0.0006983347,0.1569288,0.000595143,0.00003859622,0.002028851],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01330855,"threshold_uncertainty_score":0.04594916,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1510568737774993,"score_gpt":0.5771899990708672,"score_spread":0.4261331252933679,"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."}}