A developmental psychologist believes that increased TV watching by young children is responsible for a decline in reading scores when these children enter school. To explore her hypothesis, she records the TV-watching habits of toddlers in a suburban community. She examines these habits again when the children enter kindergarten and once more when they complete first grade. Which research method is she using?
A) longitudinal design
B) cross-sectional design
C) convergent design
D) experimental design

Question

Quizplus · Accepted Answer

The developmental psychologist is using a longitudinal design because she is observing her subjects over a period of time (from toddlers to first graders) and studying any changes that occur.

A Developmental Psychologist Believes That Increased TV Watching by Young