{"id":"W3024927842","doi":"10.1016/j.pmedr.2020.101117","title":"Is Canadian federal legislation effective in preventing youth access to vaping initiation products? A study using secret shoppers and online access in three Alberta cities","year":2020,"lang":"en","type":"article","venue":"Preventive Medicine Reports","topic":"Sexuality, Behavior, and Technology","field":"Psychology","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University; University of Ottawa; Queen's University; University of Calgary","funders":"Alberta Children's Hospital Foundation","keywords":"Tobacco product; Business; Product (mathematics); Advertising; Legislation; Internet privacy; Minor (academic); Medicine; Environmental health; Computer science; Law; Political science","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.00262368,0.0004253841,0.0006207831,0.001690116,0.008878922,0.003401879,0.002403013,0.001356551,0.001981536],"category_scores_gemma":[0.00468674,0.0009211738,0.000727263,0.004189803,0.003233222,0.0008449423,0.001424442,0.001862325,0.0002125632],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.05266709,"about_ca_system_score_gemma":0.06972302,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9943126,"about_ca_topic_score_gemma":0.9975872,"domain_scores_codex":[0.996344,0.0005024159,0.00009064411,0.00027113,0.001432929,0.001358909],"domain_scores_gemma":[0.9934603,0.0008303346,0.001128633,0.000283193,0.002532054,0.001765536],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002550104,0.000882099,0.9565262,0.00008139155,0.0000475125,0.0004529416,0.02490481,0.0001041719,0.0004932313,0.0006781676,0.001837239,0.01373726],"study_design_scores_gemma":[0.00003878017,0.0002098999,0.9592183,0.00004494903,0.00004275071,0.00008314541,0.03730911,0.0002781239,0.0001879079,0.00005318683,0.002501559,0.00003220943],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9972889,0.0001576046,0.0000430434,0.0003497371,0.000006377606,0.00006250058,0.0001339528,0.000003622812,0.001954168],"genre_scores_gemma":[0.9973122,0.0003527399,0.0001927083,0.0003788726,0.00000635917,0.00003829632,0.0002129907,0.000005224749,0.001500718],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05266709,"threshold_uncertainty_score":0.3821282,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1452199682719677,"score_gpt":0.4148237639287087,"score_spread":0.269603795656741,"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."}}