{"id":"W4406150536","doi":"10.2139/ssrn.5084616","title":"Does Q&amp;amp;A Boost Engagement? Health Messaging Experiments in the U.S. and Ghana","year":2025,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Misinformation and Its Impacts","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Kellogg's (Canada)","funders":"","keywords":"Attrition; Style (visual arts); Point (geometry); Social media; Curiosity; Psychology; Information sharing; Microblogging; Text message; Phone; Internet privacy; Computer science; Social psychology; Advertising; Medicine; Business; World Wide Web; Geography; Mathematics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.007786447,0.0004252981,0.000576982,0.0003667717,0.00301151,0.001951728,0.0008672287,0.002030797,0.0201858],"category_scores_gemma":[0.02559683,0.0004358601,0.000359124,0.0009263186,0.003805076,0.002857628,0.001941003,0.002641147,0.00199851],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003378683,"about_ca_system_score_gemma":0.004482957,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02748721,"about_ca_topic_score_gemma":0.04243888,"domain_scores_codex":[0.9927477,0.006088968,0.0001173029,0.000226443,0.0002233409,0.0005962481],"domain_scores_gemma":[0.9757271,0.01704423,0.002750467,0.001004541,0.00084663,0.002626895],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.1125487,0.1076089,0.1862349,0.002848092,0.0004704241,0.002887594,0.2677595,0.002201945,0.01433689,0.05016134,0.03907195,0.2138697],"study_design_scores_gemma":[0.03966255,0.1101846,0.314739,0.002047199,0.0007466717,0.000473021,0.4004517,0.004418992,0.008563286,0.04132792,0.07712284,0.0002622415],"study_design_candidate":"randomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.981962,0.0001781683,0.0001986576,0.007937672,0.0001079132,0.0004375304,0.0001833927,0.00001342909,0.008981115],"genre_scores_gemma":[0.9948026,0.0001955741,0.0003746501,0.001318169,0.00004674254,0.0006635954,0.00005520258,0.000008818904,0.002534675],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02748721,"threshold_uncertainty_score":0.06752825,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03497416730544751,"score_gpt":0.3756854666472339,"score_spread":0.3407112993417864,"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."}}