Which of the following is an assumption of stage theories of development?
A. A person's age is good indicator of what period of development one is in.
B. A person's experience is a good indicator of what period of development one is in.
C. A person's learning is a good indicator of what period of development one is in.
D. A person's history of social encounters is a good indicator of what period of development one is
in.
Please select the best answer from the choices provided
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ABCO