This is an educational psychology book that focuses on human development, the human being, teaching, and learning. It is appropriate for preservice teachers who are seeking to comprehend essential theories and concepts in educational psychology. It is also appropriate for practicing teachers who want to understand and apply these theories and…

This paper is focused on three basic questions: The first concerns when specific disabilities first appeared during human evolution. The second question has to do with causes of disabilities. The third question concerns social responses to people with disabilities. Discussions on each of the issues are presented.