LIFE SPAN DEVELOPMENT PRACTICE
SOLUTION GUIDE 2026 MASTERED A+
◉ areas of development. Answer: three broad types of change in
development across time, includes physical, cognitive, and
psychosocial
◉ research. Answer: a methodical investigation that advances our
understanding of behavior, including what is happening, how and
why it is happening, and what to do about it
◉ nature. Answer: focus of developmental change is "inside" the
person, i.e., biologically programmed
◉ nurture. Answer: focus of developmental change is "outside" the
person, i.e., influenced by environment
◉ interaction. Answer: focus of developmental change is how
internal and external factors influence each other
◉ physical development. Answer: changes in body structure and
function across time
,◉ individual differences. Answer: deviations from normative
developmental changes
◉ cognitive development. Answer: changes in thinking across the
lifespan
◉ stage theory. Answer: descriptions of how thinking changes as we
age, often seen as coming from within the person due to biological
factors
◉ social interactions. Answer: explanation of how interpersonal
relationships affect the development of thinking
◉ information processing theory. Answer: theories of cognitive
development that describe thinking using a computer model
◉ language development. Answer: a timeline for acquisition of
benchmarks in verbal communication
◉ attachment. Answer: special relationship shared between a child
and his/her everyday caregivers
◉ parenting. Answer: social relationship that affects psychosocial
development throughout the lifespan
, ◉ psychosocial development. Answer: changes in relationships and
their effects
◉ Lifespan view. Answer: comprehensive lifespan view that
encompasses multiple explanations of development, includes four
main concepts
◉ quantitative. Answer: change that can be objectively measured,
when there is more or less of something
◉ qualitative. Answer: when the character or properties of
something has changed
◉ age groups. Answer: divisions across the lifespan that reflect
change over time
◉ physical development. Answer: changes in the body's structure
and function across time
◉ cognitive development. Answer: changes in thinking
◉ psychosocial development. Answer: changes in relationships and
their effects
SOLUTION GUIDE 2026 MASTERED A+
◉ areas of development. Answer: three broad types of change in
development across time, includes physical, cognitive, and
psychosocial
◉ research. Answer: a methodical investigation that advances our
understanding of behavior, including what is happening, how and
why it is happening, and what to do about it
◉ nature. Answer: focus of developmental change is "inside" the
person, i.e., biologically programmed
◉ nurture. Answer: focus of developmental change is "outside" the
person, i.e., influenced by environment
◉ interaction. Answer: focus of developmental change is how
internal and external factors influence each other
◉ physical development. Answer: changes in body structure and
function across time
,◉ individual differences. Answer: deviations from normative
developmental changes
◉ cognitive development. Answer: changes in thinking across the
lifespan
◉ stage theory. Answer: descriptions of how thinking changes as we
age, often seen as coming from within the person due to biological
factors
◉ social interactions. Answer: explanation of how interpersonal
relationships affect the development of thinking
◉ information processing theory. Answer: theories of cognitive
development that describe thinking using a computer model
◉ language development. Answer: a timeline for acquisition of
benchmarks in verbal communication
◉ attachment. Answer: special relationship shared between a child
and his/her everyday caregivers
◉ parenting. Answer: social relationship that affects psychosocial
development throughout the lifespan
, ◉ psychosocial development. Answer: changes in relationships and
their effects
◉ Lifespan view. Answer: comprehensive lifespan view that
encompasses multiple explanations of development, includes four
main concepts
◉ quantitative. Answer: change that can be objectively measured,
when there is more or less of something
◉ qualitative. Answer: when the character or properties of
something has changed
◉ age groups. Answer: divisions across the lifespan that reflect
change over time
◉ physical development. Answer: changes in the body's structure
and function across time
◉ cognitive development. Answer: changes in thinking
◉ psychosocial development. Answer: changes in relationships and
their effects
