{"id":"W2770492849","doi":"10.1111/bjdp.12217","title":"Children's understanding of multiplication and division: Insights from a pooled analysis of seven studies conducted across 7 years","year":2017,"lang":"en","type":"review","venue":"British Journal of Developmental Psychology","topic":"Cognitive and developmental aspects of mathematical skills","field":"Mathematics","cited_by":18,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; University of Regina","funders":"","keywords":"Psychology; Developmental psychology; Multiplication (music); Associative property; Concept learning; Mathematics education; 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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0005344806,0.0003178502,0.003333468,0.0004242641,0.0001342298,0.00004939162,0.0004437656,0.0002718253,0.00003664956],"category_scores_gemma":[0.001076188,0.000295989,0.000507265,0.0004224629,0.0004513898,0.0001704992,0.0003001268,0.0003634459,0.000003630429],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001718208,"about_ca_system_score_gemma":0.0001260412,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001938197,"about_ca_topic_score_gemma":0.0001026166,"domain_scores_codex":[0.9968351,0.0001963731,0.001981463,0.0003631445,0.0004066923,0.0002172715],"domain_scores_gemma":[0.9952192,0.00110409,0.003076833,0.0002055764,0.0002836022,0.0001107334],"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":[0.00003933358,0.0005576885,0.0004345982,0.00186372,0.02948953,0.0002227852,0.002767148,4.731545e-8,0.00003501704,0.0002232688,0.0004586333,0.9639083],"study_design_scores_gemma":[0.01501393,0.00105683,0.3339879,0.2133888,0.05949545,0.009890718,0.01371423,0.000004680151,0.0002406253,0.3307431,0.01795524,0.00450838],"study_design_candidate":"design_other","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.1489797,0.8495415,0.0005182623,0.00001199075,0.0001729865,0.0004245318,0.0002289774,0.00001194893,0.0001100267],"genre_scores_gemma":[0.09608325,0.8944227,0.009306543,0.00001882575,0.000038747,0.00000815902,0.00005995582,0.00004260488,0.00001918505],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.9593999,"threshold_uncertainty_score":0.9999492,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2110451937237426,"score_gpt":0.4515181126588237,"score_spread":0.2404729189350811,"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."}}