url http://core.miserver.it.umich.edu/omeka-s/s/ire/item/2974 o:resource_class ire:JournalArticle ire:author Lagemann, Ellen Condliffe ire:title Contested Terrain: A History of Education Research in the United States, 1890–1990 ire:issn 0013-189X ire:doi https://doi.org/10.3102%2F0013189X026009005 10.3102/0013189X026009005 ire:url https://doi.org/10.3102/0013189X026009005 Official Publisher's Webpage (SAGE Journals) ire:date 1997 ire:pages 5-17 ire:issue 9 ire:volume 26 ire:language en ire:medium Print ire:resourceType Background/Context ire:inPublication Educational Researcher ire:apa Lagemann, E. C. (1997). Contested Terrain: A History of Education Research in the United States, 1890–1990. Educational Researcher, 26(9), 5–17. https://doi.org/10.3102/0013189X026009005 ire:citedIn http://core.miserver.it.umich.edu/omeka-s/s/ire/item/2925 Introducing Improvement Research in Education ire:approachConcept Education Research ire:contextType Historical --