{"id":"SAqeBkrT","uri":"https://rocdata.global/USA/standardnodes/SAqeBkrT","jurisdiction":"https://rocdata.global/USA","document":"https://rocdata.global/USA/documents/DayhBeyn","parent":"https://rocdata.global/USA/standardnodes/SKkCosyG","kind":null,"subjects":[],"education_levels":[],"concept_terms":[],"children":[],"sort_order":1.0,"notation":"CCSS.Math.Content.HSS-IC.B.3","list_id":"","title":"","description":"Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.","language":null,"concept_keywords":null,"path":null,"canonical_uri":null,"source_uri":null,"source_id":"709","notes":"","date_created":"2020-12-17T17:26:59.405063Z","date_modified":"2020-12-17T17:26:59.405092Z","extra_fields":{},"level":4}