{"id":"W4235798244","doi":"10.5951/teacchilmath.25.1.0006","title":"Letters to the editor","year":2018,"lang":"en","type":"article","venue":"Teaching Children Mathematics","topic":"Mathematics Education and Teaching Techniques","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Milestone; Mathematics education; Quarter (Canadian coin); Lyrics; Psychology; Mathematics; History; Literature; Art","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["sts"],"consensus_categories":[],"category_scores_codex":[0.003295214,0.0001371382,0.0001486628,0.00009578795,0.001691541,0.0002262065,0.000840813,0.00005843837,0.0002591715],"category_scores_gemma":[0.001673291,0.00009777303,0.00006865685,0.0001687876,0.0002272638,0.00009668255,0.0001010653,0.000313752,0.0006729697],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007901259,"about_ca_system_score_gemma":0.00006220661,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004151848,"about_ca_topic_score_gemma":0.0002100626,"domain_scores_codex":[0.9984878,0.0002481517,0.0002581165,0.0001856394,0.0004900959,0.0003301952],"domain_scores_gemma":[0.9988444,0.0002862477,0.00012258,0.0005471458,0.00005903274,0.0001406209],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[7.599065e-7,0.000109428,0.0003017649,0.000006391279,0.00001711658,9.239353e-8,0.1245618,4.404839e-7,0.00007333308,0.3972014,0.4756646,0.002062899],"study_design_scores_gemma":[0.0001873614,0.0001009591,0.001208881,0.0002387639,0.00007917074,0.00001294264,0.006464981,0.0002231144,0.000404538,0.1167344,0.8736318,0.0007131],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2962719,0.00002113535,0.4864619,0.0500105,0.00457749,0.001822556,0.00001133694,0.001768729,0.1590545],"genre_scores_gemma":[0.7848956,0.000003720529,0.1922247,0.003827705,0.01703809,0.00004883646,0.000004415712,0.00004282131,0.001914191],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.4886236,"threshold_uncertainty_score":0.9996081,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01897593021490569,"score_gpt":0.3456271195909968,"score_spread":0.3266511893760912,"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."}}