Bronfenbrenner’s Ecological Systems Theory
Ecological Systems Theory holds that development reflects the influence of several environmental systems, and it identifies five environmental systems:
- Micro system: The setting in which the individual lives. These contexts include the person's family, peers, school, and neighborhood. It is in the micro system that the most direct interactions with social agents take place; with parents, peers, and teachers, for example. The individual is not a passive recipient of experiences in these settings, but someone who helps to construct the settings.
- Mesosystem: Refers to relations between microsystems or connections between contexts. Examples are the relation of family experiences to school experiences, school experiences to church experiences, and family experiences to peer experiences. For example, children whose parents have rejected them may have difficulty developing positive relations with teachers.
- Exosystem: Involves links between a social setting in which the individual does not have an active role and the individual's immediate context. For example, a husband's or child's experience at home may be influenced by a mother's experiences at work. The mother might receive a promotion that requires more travel, which might increase conflict with the husband and change patterns of interaction with the child.
- Macrosystem: Describes the culture in which individuals live. Cultural contexts include developing and industrialized countries, socioeconomic status, poverty, and ethnicity.
- Chronosystem: The patterning of environmental events and transitions over the life course, as well as sociohistorical circumstances. For example, divorces is one transition. Researchers have found that the negative effects of divorce on children often peak in the first year after the divorce. By two years after the divorce, family interaction is less chaotic and more stable. As an example of sociohistorical circumstances, consider how the opportunities for women to pursue a career have increased during the last thirty years. Santrock, John W. (2007). A Topical Approach to Life-Span Development. New York, NY: McGraw-Hill.
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