Answer :
Final answer:
The lifespan areas encompass physical, cognitive, and psychosocial domains. A cohort represents a group with shared characteristics. Childhood perceptions shifted, acknowledging adolescence.
Explanation:
Lifespan Areas: The areas of lifespan development include physical, cognitive, and psychosocial domains. These domains focus on changes and growth from infancy through old age.
Cohort Definition: A cohort refers to a group of individuals who share a common characteristic or experience within a specified period.
Childhood Changes: The idea of childhood evolved over time, leading to the recognition of adolescence as a distinct stage with its challenges and characteristics.
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