{"id":"S2009007792","label":"Birth date effect (Academic achievement)","description":"This heading is used for works that discuss the relationship between academic achievement and the age and birthdate at which children start school.","source_url":"https://id.loc.gov/authorities/subjects/sh2009007792","normalized_label":"birth date effect (academic achievement)","broader":["http://id.loc.gov/authorities/subjects/sh85000296","http://id.loc.gov/authorities/subjects/sh85118264"],"aliases":["Age position (Academic achievement)","Birthdate effect (Academic achievement)","Date-of-birth effect (Academic achievement)","Late birthday effect (Academic achievement)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009007792","provider":"lcsh","revision":"ebc0943414fe7160","taxonomy_revision":"f050b5d4780b1289","title":"Birth date effect (Academic achievement)","url":"/topics/S2009007792","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14718964258105090656","address_version":"morton4x16-v1","coordinates":[0,478,64538,49152],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}