students to institution, we rely on a selection on observable assumptions. We use several estimates including the Generalised …

This paper analyzes data from Project STAR, an experiment in which 11,600 Tennessee kindergarten students and teachers … were randomly assigned to one of three types of classes beginning in the 1985-86 school year: small classes (13-17 students …), regular-size classes (22-25 students) teacher's aide. According to the original design, students were to remain in their …

This paper analyzes data from Project STAR, an experiment in which 11,600 Tennessee kindergarten students and teachers … were randomly assigned to one of three types of classes beginning in the 1985-86 school year: small classes (13-17 students …), regular-size classes (22-25 students), and regular-size classes with a teacher?s aide. According to the original design …

This paper analyzes data from Project STAR, an experiment in which 11,600 Tennessee kindergarten students and teachers … were randomly assigned to one of three types of classes beginning in the 1985-86 school year: small classes (13-17 students …), regular-size classes (22-25 students) teacher's aide. According to the original design, students were to remain in their …

students to institution, we rely on a selection on observable assumptions. We use several estimates including the Generalised …