a capacity to change and to adapt to both positive and negative circumstances
development can have both positive and negative change
social roles and responsibilities
social (social-cultural) age
a persons coping and adaptive capacities
estimate of one's present position with respect to potential life span. index of biological health.
how well a person can perform activities of daily living
personal subjective view of a persons age- how old you feel
a index variable of the passage of time( # of years since birth): allows one to represent events in standard calendar time; a superficial and least meaningful type of age; a statistical descriptive (grouping) variable, defines birth cohart
relatively permanent changes due to environmental experiences
biological unfolding of the individuals genetic plan
positive and negative changes in the maturing organism
physical changes that occur from birth to maturity
65 years and older
20-40 years old
approximately 12-20 or when the individual becomes relatively independent of parents and begins to assume adult roles.
6-12 (or until the onset of puberty)
2-5 or 6 years. Some prefe to describe as toddlers, children who have begun to walk and are age 1-3
first 2 years of life
conception to birth
how people interact socially. how were different from another and similar too.
mental (psychological) activities. ex: thoughts, memory, and perception
Physical chareacteristics, biological, processes, and genetic effects
systematic changes and contiuities (stability) in the individual occurring between conception and death. "Womb to Tomb"