In the very broadest sense, inorganic chemicals and compounds are defined by what they are not; they are not organic in nature, such that anything beyond biological, hydrocarbon, and other similar carbon-based chemicals may be considered inorganic.
Family Development Theory. n Family Development theory is an interdisciplinary approach of examining the family. n Involves biological, social, and psychological perspectives of development. Biological. n Biological needs in a family vary depending on the family structure and ages of its members.
Piaget's theory of cognitive development. Piaget's theory of cognitive development is a comprehensive theory about the nature and development of human intelligence. It was first created by the Swiss developmental psychologist Jean Piaget (1896â1980). The theory deals with the nature of knowledge itself and how humans gradually come to acquire, construct, and use it.