{"id":"W1527061004","doi":"10.5951/mtms.10.4.0164","title":"How Much Water Is in the Skating Rink?","year":2004,"lang":"en","type":"article","venue":"Mathematics Teaching in the Middle School","topic":"Mathematics Education and Teaching Techniques","field":"Social Sciences","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Winnipeg","funders":"","keywords":"Mathematics education; Volume (thermodynamics); Prism; Transition (genetics); Perimeter; Mathematics; Psychology; Geometry; Chemistry; Optics; Thermodynamics; Physics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.009323576,0.0001835524,0.0002273582,0.0001795343,0.0007692338,0.0007031341,0.0011043,0.0001176949,0.00005677767],"category_scores_gemma":[0.001700697,0.00009839336,0.000106587,0.0002468264,0.0001223786,0.0002289893,0.00007016866,0.001078795,0.00004490929],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002033444,"about_ca_system_score_gemma":0.00008978007,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008295721,"about_ca_topic_score_gemma":0.0009825613,"domain_scores_codex":[0.9975795,0.0006693411,0.0003940389,0.00021705,0.0006934352,0.0004466237],"domain_scores_gemma":[0.9987141,0.0004253584,0.0001279902,0.0006448127,0.00002695121,0.00006076819],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.000001035255,0.0004525684,0.0003426058,0.00008471301,0.000005641617,0.000005462347,0.6416272,0.00000312674,0.0000789796,0.3563127,0.0007024909,0.0003834535],"study_design_scores_gemma":[0.000268769,0.00002542845,0.00009235395,0.0003255171,0.00001555589,0.00002501835,0.2001529,0.0001215035,0.000329148,0.7924535,0.005982336,0.0002079384],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8480443,0.00004130264,0.01302566,0.05240512,0.0001106609,0.00127657,0.000001790876,0.0001983598,0.08489624],"genre_scores_gemma":[0.9487885,0.000009419641,0.04827485,0.001813086,0.0001332119,0.0001259702,0.000003268956,0.00002115501,0.0008305258],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4414743,"threshold_uncertainty_score":0.6780338,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.07230680799015375,"score_gpt":0.3317164479801959,"score_spread":0.2594096399900421,"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."}}