Final answer:
In Bronfenbrenner's Ecological Model, the Macrosystem refers to the cultural attitudes and values that influence an individual's development.
Step-by-step explanation:
The system in Bronfenbrenner's Ecological Model that refers to the attitudes of a culture is the Macrosystem. The Macrosystem encompasses the broad ideologies, beliefs, and overarching cultural patterns that influence an individual's development. It's at the most expansive level and includes societal norms, laws, and cultural values that shape a person's environment. This system can profoundly affect one's behavior and worldview, as it dictates the accepted and expected ways in which individuals should behave in society. In Bronfenbrenner's Ecological Model, the Macrosystem refers to the cultural attitudes and values that influence an individual's development.