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.
Child psychologists study developmental behavior in children through research in physical, cognitive, emotional and social aspects of growth. As a child psychologist, you'll focus on preventing, diagnosing, treating and understanding children's psychological, emotional, developmental, behavioral and cognitive issues. Your duties will be to observe, interview and perform clinical studies and surveys to develop treatment plans for patients.