This first volume of a planned series summarizes the first 2 years of a 6 year longitudinal study of about 2,200 tenth grade boys in public schools. The broad purposes were to study the student and his changes, plans, and behavior. "Conceptual Framework and Purposes" presents a conceptual framework that views the major criterion areas of growth…

This is the second volume in a series that documents the Youth in Transition project, a national longitudinal study of about 2,200 10th grade boys in public schools. This document deals with family background factors and abilities as they relate to a variety of personality characteristics, behaviors, and plans for the future. Major units include:…