stages of lifespan development includes infants ( birth - 2 years ) , childhood ( 2 - 12 years ) , adolescences ( 12 - 20 years ), early adulthood ( 20 - 40 years ), middle age ( 40 - 65 years ) old age ( 65 years and beyond ).
development - refers to changes that occur over time
lifespan development - from birth through to and including old age, with a variety of stages in between
psychological development - refers to an individual changes in functioning across multiple domains, including the lifelong growth across emotional , cognitive and social domains.
emotional development - the congruous , lifelong changes in skill that allows individuals to comital , express and recognise emotions in an appropriate way.