SAMPLE Developmental Psychology

Terms to be familiar with:

● Lifespan - The process between birth and death. ● Life Expectancy - The number of years a person is expected to live. ● Longevity - A long duration of an individual lifespan.

● Maximum Lifespan - The longest period of time a member of a species has been known to live. ● Average Lifespan - The statistical average age reached by members of a given population.

Stage

AgeRange

Prenatal

Conception through Birth

Infancy

Birth – 2 years old

Early Childhood

2 – 5 years old

Middle Childhood

6 – 11 years old

Adolescence

12 – 18 years old

Early Adulthood

19 – 34 years old

Middle Adulthood

35 – 64 years old

Late Adulthood

64 years of age and up

One thing not included in the table is death and dying. Still, it is a part of the lifespan, and each case of death and dying is different for each person. Some die from old age, and some die from diseases such as cancer, which can occur at any age. The ages can vary at each stage, but this table can be used as a general guideline as it helps provide a guideline to approximate ages and the stage of the lifespan. Average Life Expectancy Through History

Life expectancy has varied significantly throughout history and across different regions of the world. Factors such as advances in healthcare, nutrition, sanitation, and public health measures have played a crucial role in shaping life expectancy over time. An overview of average life expectancy through different historical periods: Prehistoric and Ancient Times: Life expectancy was relatively low in prehistoric and ancient times. Many people died during infancy or childhood due to infectious

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