A nurse completes a functional status assessment of an older person using the Lawton IADL in-strument, a self-reported instrument. The nurse knows that limitations of self-reported measures include that: (Select all that apply.)
a. individuals tend to overestimate their functional ability.
b. self-reports often differ from that of proxy reports.
c. self-reports are not indicative of small changes in function.
d. self-reports do not provide a valid meas-urement of function.
e. older adults are not able to complete self-reported measurements.
ANS: A, B
Individuals tend to overestimate their functional ability and often self-reported measures differ from proxy reports. Self-reported measures are a valid measurement of function, and older adults are able to complete them. The choice of tool and the type of scoring of the tool is the factor that determines if the small changes in function can be detected.
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