Problem: Would it be feasible for a researcher to use their own child as a research participant in order to better understand their lifespan development? If someone were to use their own child, is it possible that no one would be willing to publish this research?
Reference:
Lifespan Development Definition. The term lifespan development refers to age-related changes that occur from birth, throughout a persons' life, into and during old age. The six stages of lifespan development are Infancy, Childhood, Adolescence, Early Adulthood, Middle Age, Older Age.
YouTube Video: Chapter 1 Life Span Perspective