Improving preschool for low-income children with programmatic randomized controlled trials.
David
D
Olds
D002675:Child, Preschool; D018479:Early Intervention, Educational / Q000592:standards*; D004522:Educational Status; D006801:Humans; D011203:Poverty; D015397:Program Evaluation / Q000379:methods*; D016032:Randomized Controlled Trials as Topic; D012574:Schools / Q000592:standards*; D012919:Social Behavior; D012959:Socioeconomic Factors; D014481:United States; D014505:Urban Population