Synopsis Adolescent Psychology in dual Children Families is about the psychological perspective of interaction between the sex of the adolescent, their birth order and sex of the sibling. Effort has been made to understand the effect and interactive effects of these variables upon need achievement, personality pattern, repression-sensitisation tendency, adjustment and academic achievement. This book deals with the subject in such a way tomake it easy for parents, teachers or counselors to understand that socialization is a process in which it is not only parents who mould children’s behaviour but it is a process whereby children themselves play an active role in their own socialization and in this process of mutual shaping all the above-mentioned factors, that is, sex of the adolescent, his/her birth order and sex of the sibling play their part. The book also includes a research study to narrate the effects scientifically. In this context, this book is useful for parents, child counselors, psychiatrists, teachers and those connected with the upbringing of children in any capacity.