head start

n.

领先；

复数：head starts

Head start
Head start
Does Head Start Make a Difference?
Does Head Start Improve Children's Life Chances? Evidence from a Regression Discontinuity Design
Longer-Term Effects of Head Start
Preventing conduct problems in Head Start children: strengthening parenting competencies.
Preventing Conduct Problems, Promoting Social Competence: A Parent and Teacher Training Partnership in Head Start
School Quality and the Longer-Term Effects of Head Start
Halting the development of conduct problems in head start children: the effects of parent training.
...intervention on Head Start children and teachers.