Plamen Kalchev is a professor at Sofia University "St. Cl. Ohridski", doctor of psychological sciences. He has published eight monographs and over 50 studies and articles in the field of child and adolescent psychology.
This monograph continues the study of aggression in adolescence and presents five self-descriptive scales: for Dwelling on negative experiences, Behavior in problematic social situations, Externalizing Developmental Problems, Empathy, and Moral Disengagement. The construction and psychometric properties (reliability and validity) of each instrument are described. The book will be useful to professionals with professional interests in the field of psychological assessment.