{"id":"W2044961782","doi":"10.1257/jep.15.2.213","title":"Early Childhood Education Programs","year":2001,"lang":"en","type":"article","venue":"The Journal of Economic Perspectives","topic":"Early Childhood Education and Development","field":"Social Sciences","cited_by":1003,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Head start; Earnings; Disadvantaged; Welfare; Intervention (counseling); Quarter (Canadian coin); Early childhood intervention; Term (time); Early childhood education; Economics; Child care; Early childhood; Labour economics; Public economics; Actuarial science; Psychology; Economic growth; Finance; Medicine; Developmental psychology; Nursing","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007302844,0.0002957055,0.0001729834,0.001197888,0.001467267,0.0009077477,0.000828166,0.000710558,0.04471418],"category_scores_gemma":[0.002852346,0.0001229533,0.0002567211,0.0008820927,0.0003272313,0.0005500451,0.002435433,0.0009616292,0.005408034],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001391216,"about_ca_system_score_gemma":0.004410708,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008399428,"about_ca_topic_score_gemma":0.02097562,"domain_scores_codex":[0.9991981,0.0001457317,0.00002214967,0.00007500824,0.0002331942,0.0003257557],"domain_scores_gemma":[0.9982029,0.0002779266,0.000144936,0.0001023217,0.0003704602,0.0009014085],"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":[0.0002107415,0.002695008,0.01170174,0.0007059143,0.00002302798,0.0002799099,0.0009341666,0.0006887962,0.000868109,0.04845383,0.1389078,0.794531],"study_design_scores_gemma":[0.0001206353,0.0006670527,0.04723457,0.0008875284,0.00004641512,0.0005128207,0.0009348609,0.0002743285,0.001836294,0.004985251,0.9424759,0.00002438529],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.1406864,0.01494845,0.01144112,0.03650533,0.003047563,0.001359058,0.005144992,0.001062209,0.7858049],"genre_scores_gemma":[0.4120987,0.01860824,0.01910767,0.01413314,0.0008887225,0.001225453,0.004866476,0.0001710369,0.5289006],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.04471418,"threshold_uncertainty_score":0.1495838,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01604018581261334,"score_gpt":0.2962270179103626,"score_spread":0.2801868320977492,"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."}}