{"id":"W3157101706","doi":"10.1177/00222437211016360","title":"Effects of Payment on User Engagement in Online Courses","year":2021,"lang":"en","type":"article","venue":"Journal of Marketing Research","topic":"Online Learning and Analytics","field":"Computer Science","cited_by":45,"is_retracted":false,"has_abstract":true,"ca_institutions":"Booth University College","funders":"","keywords":"Certificate; Sunk costs; Payment; Massive open online course; Schedule; Computer science; World Wide Web; Economics; Microeconomics","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":[0.01116622,0.0003644299,0.0006274894,0.0009040094,0.00125095,0.003444136,0.001110402,0.001878905,0.01453851],"category_scores_gemma":[0.09573162,0.0004007314,0.001657883,0.001154852,0.001499146,0.001973575,0.003339289,0.003410755,0.001345318],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001915569,"about_ca_system_score_gemma":0.001185162,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005039402,"about_ca_topic_score_gemma":0.004647778,"domain_scores_codex":[0.9792383,0.01404536,0.0009485939,0.001764084,0.001932727,0.002070816],"domain_scores_gemma":[0.7245541,0.227955,0.02790419,0.007560787,0.003463354,0.0085625],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003522845,0.002865673,0.9443303,0.00011276,0.0003796269,0.0001922695,0.001667312,0.002449936,0.0008110687,0.002563133,0.0008688935,0.0402362],"study_design_scores_gemma":[0.0001036984,0.001099294,0.9918207,0.00003997576,0.0001448843,0.00004763006,0.0009583026,0.00349915,0.0003543438,0.0009734256,0.0009267722,0.00003196853],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9938745,0.0001729075,0.0007343485,0.000480573,0.00002859498,0.00008264824,0.0002324132,0.00002123706,0.004372836],"genre_scores_gemma":[0.9985734,0.00003655558,0.0002150106,0.00008259118,0.00001457911,0.00005985851,0.00009208556,0.000007497617,0.0009184167],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01453851,"threshold_uncertainty_score":0.0590533,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04581174307328734,"score_gpt":0.3935070277793535,"score_spread":0.3476952847060662,"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."}}