Bronfenbrenner's Model: Understanding the Temporal Dimension

Urie Bronfenbrenner developed an Ecological Systems Theory to explain how a child's development is influenced by various environmental systems. He proposed several interconnected layers of the environment. The question asks specifically about the layer representing the temporal dimension of this model.

Exploring Bronfenbrenner's Systems

Bronfenbrenner's model consists of several systems:

• Microsystem: The immediate surroundings where the individual lives (e.g., family, school, peers).
• Mesosystem: The connections between different elements of the microsystem (e.g., the link between home and school).
• Exosystem: External environments that indirectly affect the individual (e.g., parent's workplace policies).
• Macrosystem: The larger cultural context, including societal values, laws, and customs.
• Chronosystem: This system specifically addresses the dimension of time.

Defining the Chronosystem

The Chronosystem represents the temporal element in Bronfenbrenner's theory. It includes the influence of time, historical events, and socio-historical conditions on development. This means considering how changes over time, like moving house, parental divorce, or major historical events (e.g., economic recession, technological advancements), impact an individual's life course and development. It emphasizes that development is not static but unfolds within a changing temporal context.

Analyzing the Options

• Endosystem: This term is not a standard component of Bronfenbrenner's ecological model.
• Ecosystem: While Bronfenbrenner's theory is ecological, 'ecosystem' itself isn't the specific term for the temporal dimension within his model.
• Chronosystem: This term directly refers to the temporal dimension, encompassing time and historical changes. It accurately labels the aspect requested in the question.
• Circadian system: This relates to biological rhythms (like sleep-wake cycles) and is not part of Bronfenbrenner's environmental systems model.

Therefore, the term Bronfenbrenner used to denote the temporal dimension of his model is the Chronosystem.