{"id":"W2493872618","doi":"10.1007/978-94-6300-211-0_2","title":"Why People Use Facebook","year":2015,"lang":"en","type":"book-chapter","venue":"SensePublishers eBooks","topic":"Social Media and Politics","field":"Social Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"","keywords":"Section (typography); Cyberpsychology; Internet privacy; Identity (music); Psychology; World Wide Web; Social media; Sociology; Computer science; Advertising; Art; Business; Aesthetics","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":[0.0007602235,0.0001996288,0.0002079267,0.0008626177,0.002386438,0.005797707,0.0002948657,0.001073207,0.01486541],"category_scores_gemma":[0.003249583,0.0002516074,0.0002371095,0.0008026715,0.001881215,0.00628284,0.001552831,0.00121847,0.004209273],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005506386,"about_ca_system_score_gemma":0.0004657429,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002797537,"about_ca_topic_score_gemma":0.005832369,"domain_scores_codex":[0.9990766,0.0003423735,0.00003323238,0.0001049963,0.0002929188,0.0001499185],"domain_scores_gemma":[0.9990632,0.0004063357,0.0001427105,0.00006530044,0.0001465672,0.0001759263],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.00005928154,0.0001240992,0.0789391,0.0007411664,0.0000774436,0.001147113,0.3193959,0.00006785795,0.002172546,0.1058095,0.1420249,0.3494411],"study_design_scores_gemma":[0.0000081956,0.00004259376,0.0348934,0.0008614206,0.00003350474,0.001535035,0.2083202,0.0001086264,0.0004496154,0.01460609,0.739104,0.00003723614],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.3614978,0.03789987,0.003231849,0.05040105,0.0037273,0.00009960061,0.0005992251,0.0002592682,0.5422841],"genre_scores_gemma":[0.8703744,0.02549693,0.001496873,0.009873404,0.001134952,0.00008379963,0.0003275436,0.0001427152,0.09106921],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.01486541,"threshold_uncertainty_score":0.0497297,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08711362589224417,"score_gpt":0.3029656464517128,"score_spread":0.2158520205594686,"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."}}