Answer:
continuity or stages
Explanation:
continuity and stages is a concept in psychology that believes developmental process of children becoming adults is gradual, and continuous through a sequence of separate stages. The journey of a child to adulthood is through gradual and continuous changes such as biological changes in physical features as well as transitions in psychological functioning.
Ross belief that personality development at various turning points in the life span is a matter of sudden qualitative changes is relevant to continuity or stages