"The Montessori Observer" is mailed four times each year, in March, May, September and November, to Society members throughout the world. The purpose is to provide news and information about the Society's work in Montessori education, and to extend awareness of Montessori principles throughout the world. This issue contains a feature…

Recently, policy makers have begun to insist on evidence showing whether public investment in programs for children has achieved its desired results. No longer will it be sufficient to show that programs are meeting established standards for practice or that families are satisfied with services. Data are needed to show that services are effective.…