As any teacher or parent knows, adolescence is a time when youth grapple with the question, "Who am I?" Issues of race, ethnicity, class, gender, sexual orientation, and ability can complicate this question for young people, affecting their schoolwork and their relationships with teachers, family, and peers. This new edition of "Adolescents at…

The psychometric research done by G. Rasch between 1951 and 1959, which is explained and illustrated in this book, takes psychometrics from being purely descriptive to being a science of objective measurement. Individual centered statistics require models in which each individual is characterized separately and from which, given adequate data,…