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Systems Theory

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SYSTEMS THEORY
Summary

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SYSTEMS THEORY 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, rather than

naively accepting them as “natural.”

Research and Theory Foci


Ongoing Family Processes:
 Transactional patterns (e.g., predictable behavior sequences).  Shift focus from individual to the family.  Topics:
 family functioning,  family communication,  family conflict,

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 separateness and connecetedness,  cohesion,  adaptation to change.



Example of research questions (from Montgomery & Fewer, 1988):
 What elements of a social system are influenced by other parts of the system; how does

one element of a system recursively influence the whole system?
 How does the behavior of different components fit together?  How does the fit between systems affect functioning?



What is the Relationship of Family Systems to Other Systems

Major Contemporary Concepts of General Systems Theory
 Interdependence/Mutual Influence  Equifinality:
 Definition: the ability of a system to achieve the same goals through different routes (e.g.,

we may take different roads to campus but we all arrive at the same place).
 Communication patterns are organized into feedback loops which affect goal-setting

behavior in systems.

 Hierarchy:
 The “layering” of systems of increasing complexity, including
 Subsystems: smaller parts of the same system.  Systems  Suprasystems: larger systems (e.g., economic and political system).

 Controversy: disagreement about definition of sub- and supra-systems as well as

identification of components.

Major Contemporary Concepts of General Systems Theory (cont.)
 Boundaries and Open/Closed Systems
 Boundaries define membership in a system.  Boundaries also represent the point of contact between the system and other systems.  Boundaries vary in degree of permeability, the degree to which they control the flow

between systems.
 Customary approaches to operationalizing boundaries:
 Assessment of permeability and cohesion.  Emotional connectedness between family members.

Contemporary Concepts (cont.)


Feedback and Control
 Feedback loop
 Path of communication in a system.  Feedback is considered either positive or negative based on the effect it has on the

system, not on it’s content.
 Types of feedback loops:
 Negative:

 feedback is used to maintain homeostasis. This type of feedback has also been

called constancy loops and deviation-attenuating loops.
 Morphostatic feedback: refers to feedback which promotes maintenance of existing

structure.
 Positive: feedback used to promote change.

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 These types of feedback are also referred to as deviation-amplifying loops or variety

loops.
 Morphogenic feedback: refers to feedback which produces change in the system.

Examples of Research Emerging from General Systems Theory
 Marital and Family Interaction
 Hess and Handel (1959): integrated GST and symbolic interactionism to examine the

family as a system that socially constructs it’s reality. They suggested that there are five essential processes of family interaction.  Comparison of family interaction patterns between “normal” and “schizophrenic” families (Mishler & Waxler, 1968).

 Family Dysfunction: individual patterns of dysfunction are attributed to family interaction patterns.
 Alcoholism: Steinglass and Wolin have integrated a family development and systems

approach, suggesting that alcoholism influences families in stages which accounts for patterns of alcoholism in families.  Family violence: systemic explanations are controversial. This research suggests that the failure to leave an abusive situation is a form of positive feedback.

Examples of Research (cont.)
 Marital and Family Taxonomies
 Olson’s Circumplex model
 Three dimensions create sixteen relationship types; the three dimensions are

 Cohesion  Adaptability  Communication
 Three general types of relationships:

 Balanced  Mid-range  Extreme
 In general, research has revealed that balanced families will function more adequately

than the other types of families.
 It has been criticized for not including a dimension for competence.

Examples of Research (cont.)
 Marital and Family Taxonomies (cont.)
 The Beavers systems model examines family competence (e.g., healthy, mid-range, and

severely dysfunctional).
 Typologies melding systems with symbolic interactionism: develop, for example, a typology

based on the effect of family members shared perceptions about their social environment (symbolic interactionism) on the social environment (a systems construct) (Reiss, 1981; see also Constantine, 1986; Constantine & Israel, 1985; Fitzpatrick, 1976, 1988).

Limitations of General Systems Theory
 General Criticisms: focus on application of systems theory.
 GST is too vague and general, making it difficult to operationalize and evaluate empirically.  Criticized for poor explanatory power because, although it provides conceptualization, it is

difficult to clearly identify and measure constructs.
 Criticism of subtle assumption that all parts of a system have equal power

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Limitations of General Systems Theory (cont.)
 Feminist Critique:
 Limited recognition of power in family systems which obscures the privilege of dominant

groups.
 Systemic constructs often reflect sex bias. Enmeshment is pathologized, for example,

while differentiation is promoted. This devalues a way of relating that is common to women.  Clinically, emphasizes therapist neutrality.  Ironically, it is viewed as not systemic enough.  Interdisciplinary scholarship has demonstrated that all cultures utilize gender and generation as fundamental categories of organization, but systems theory ignores gender concerns.

Bibliography
Whitchurch, G. G., & Constantine, L. L. (1993). Systems theory. In P. G. Boss, W. J. Doherty, R. LaRossa, W. R. Schumm, & S. K. Steinmetz (Eds.), Sourcebook of family theories and methods: A contextual approach (pp. 325-352). New York: Plenum Press.

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