blastoderm: the germinal membrane from which the organs of the embryo are formed. Explanation of Terms Used in Entomology John. B. Smith He it was who introduced the terms Keimhaut (blastoderm) and Keimblatt (germ-layer).
Child Study. Child study, also called paidology or experimental pedagogy, was the attempt to apply the methods of modern science to the investigation of children in order to discover the laws of normal child development.
Practice Questions (True or False) for Exam 1. Chapter 1. The scientific study of human development is the study of how and why people change as they grow older, as well as how and why they remain the same. Understanding development at any age requires a consideration of the interplay of biosocial, cognitive, and psychosocial domains of development.