Answer :
In cross-sectional research, variables are recorded for each participant and a population is examined at a specific point in time, similar to taking a cross-section of a group.
Developmental psychologists research how people change, adapt, and grow during different phases of life. They perform research geared to help people attain their greatest potential – for example, investigating the difference between learning styles in babies and adults.
Cross-sectional research has the major drawback of revealing information about age disparities rather than actual changes with age or across time.
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