{"id":"W3125966267","doi":"10.2139/ssrn.3363768","title":"Forum Size and Content Contribution per Person: A Field Experiment","year":2019,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Expert finding and Q&A systems","field":"Computer Science","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"Quest University Canada","funders":"","keywords":"Content (measure theory); Statistics; Field (mathematics); Psychology; Econometrics; 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":[0.01809327,0.001434409,0.001858737,0.001646925,0.002681029,0.003940805,0.002409507,0.003416044,0.02141609],"category_scores_gemma":[0.055314,0.001958454,0.001004148,0.0009819935,0.003105474,0.004019238,0.00201039,0.003534487,0.004559891],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008295915,"about_ca_system_score_gemma":0.001418657,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001816582,"about_ca_topic_score_gemma":0.00124214,"domain_scores_codex":[0.9876908,0.006328901,0.000758426,0.002741495,0.00143561,0.001044843],"domain_scores_gemma":[0.7819719,0.1753911,0.01355179,0.01116988,0.005249967,0.01266533],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"nonrandomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.2802101,0.4718512,0.1378252,0.0005459156,0.0005578989,0.0007201147,0.01454196,0.002071257,0.05693045,0.002221722,0.003020735,0.02950347],"study_design_scores_gemma":[0.03798572,0.4228408,0.4907563,0.00008522354,0.0008624799,0.0005487371,0.007377691,0.0125455,0.01802763,0.004633144,0.003841773,0.0004950321],"study_design_candidate":"randomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9964412,0.00001378022,0.0005553841,0.00007540535,0.0000567362,0.0006795821,0.0002644934,0.00003584127,0.001877497],"genre_scores_gemma":[0.9834296,0.00003075213,0.003080522,0.0003038657,0.0001562238,0.003370894,0.0004672604,0.00005581465,0.009105076],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02141609,"threshold_uncertainty_score":0.09568751,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01062975580719609,"score_gpt":0.2298121453853759,"score_spread":0.2191823895781799,"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."}}