This book is intended to provide an easily comprehensible, non-intimidating and concise text on the subject matter of psychology to the nursing students. It has been written in accordance with the needs of the present existing syllabus prescribed for the nursing course at degree level. The information provided is based on established knowledge and practice and also backed by scientific principles. Every attempt has been made to maintain simplicity and lucidity of language and style. This book will continue to serve as good source not only for nursing students but also a source of reference and revision to the nurses who are in service and educational settings.