{"title":"Is dosage important? Examining Head Start preschoolers' language and literacy learning after one versus two years of ExCELL","authors":"Annemarie H. Hindman, B. Wasik","doi":"10.4324/9781315108278-5","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":148325,"journal":{"name":"Research in Young Children's Literacy and Language Development","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research in Young Children's Literacy and Language Development","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4324/9781315108278-5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}