Sagot :
A researcher conducted an in-depth study of a child who was raised in isolation and had no contact with same-age peers until age 10. This researcher detailed the child's development in a number of spheres: physical/motor, language/cognitive, social and emotional. This research method is case study.
A case study is a type of research methodology that produces a thorough, multifaceted knowledge of a complicated problem in its actual setting. It is a well-known research strategy that is widely applied in a range of fields, especially the social sciences.
Development is the learning procedures your child goes through as they mature and reach adulthood. In order to acquire more complicated activities like walking, talking, and playing, skills must first be learned and then merged.
It is considered "normal development" for children to accomplish particular milestones at ages that are similar to their own.
To learn more about child development, refer
https://brainly.com/question/731839
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