Three Distinct But Closely Interrelated Theoretical Legacies
Information theory: focuses on the reduction of uncertainty which is achieved by the acquisition of information.
Cybernetics: a science of communication concerned with the transmission and control of information; it examines the communication and manipulation of information in various systems.
General Systems Theory (GST): interested in systems in general; family systems theory is an extension of this branch.
Definitions and Terms
Three Uses/Definitions:
General Systems Theory (GST) is used to explain the behavior of a variety of complex, organized systems.
GST is also a process of theory construction which focuses on building universal concepts, postulates, and principles.
GST, as a worldview, emphasizes interrelationships between objects.
Terms
Isomorphism: Refers to equivalence of form: there is a one-to-one correspondence between elements and relationships.
Cybernetic system: systems with feedback.
Core Assumptions of General Systems Theory
GST Has Potential for Unifying Science: suggests that there are unifying principles in every discipline; GST is a way to consider isomorphism between them.
A System Must Be Understood as a Whole
Von Bertalanffy: promoted the notion that a family, or any system, is greater than the some of it's parts.
Lewin: the whole is different from the sum of it's parts.
Human Systems are Self-Reflexive
Human systems are characterized by their ability to make themselves and their own behavior the focus of examination; this is self-reflexivity.
Self-reflectivity
permits humans to examine their systems and set goals. permits humans to examine social influences on systems and behaviors,