Biological and environmental influences that are similar for individuals in a particular age group, regardless of where they are raised, are what type of influences?

A. age-graded
B. history-graded
C. biological
D. environmental


Answer: A

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Specialists in lifespan development share one concern: understanding the growth and change that occur during the course of life.

Answer the following statement true (T) or false (F)

What type of evidence is based on careful, systematic procedures?

A. scientific B. opinion C. anecdotal D. abstract

Biological and environmental factors that are associated with a certain historical event, such as the bombing of Pearl Harbor, can be considered what?

A. age-graded influences B. history-graded influences C. sociocultural-graded influences D. non-normative life events

Adults demonstrating excessive activities such as eating, talking, or chewing gum may be experiencing what type of fixation?

A. anal B. oral C. phallic D. psychosexual