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 psychology' is actually an umbrella term. 1  In this article, we'll explore the common aspects of child psychologists, as well as: 2  Areas in which they specialize. 3  Salary and job outlook. 4  Requirements and skills. 5  Work environment. 6  Next steps.