The sample chosen represents 42 of the original 136 children in the study these youngsters developed some symptom or other behavioral problem and were subsequently studied in detail nine categories of reactivity were utilized to establish the basic temperament of each subject. Behavioral disturbances developed in 42 of the children three of them brain damaged forming a clinical sample whose temperamental characteristics as a group in contrast to the nonclinical sample included high or low activity irregularity withdrawal responses nonadaptability high intensity persistence and distractibility. Temperament and behavior disorders in children thomas alexander chess stella on amazoncom free shipping on qualifying offers temperament and behavior disorders in children. Temperament and behavior disorders in children book read reviews from worlds largest community for readers