Question 1
Darius is a 6-year-old boy who can throw and catch a ball like a 10-year-old. Researchers would say that his developmental age is more advanced than his __________.
◦ normative age
◦ chronological age
◦ cross-sectional age
◦ cohort age
Question 2
Ellie is a healthy 12-month-old baby. She has been crawling for several months but her mother recently looked up to see Ellie walking over toward her in a wobbly fashion. When her mother described the day to Ellie's pediatrician, she stated, "it was like she took a giant step over night in her development." This is an example of which type of developmental model?
◦ nurture model
◦ stability model
◦ continuous model
◦ discontinuous model
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