Self-report inventories of stress are useful to the extent that
A) they are reliable.
B) they predict future illness.
C) they include items people actually find stressful.
D) they satisfy all of these criteria for being useful.
Question 2
Validity is whether an instrument measures what it is supposed to measure; reliability is whether an instrument gets consistent results across administrations. If spouses fill out a self-report measure of stress from their spouse's point of view, and the spouses' scores match closely, we can say that the self-report inventory is
A) valid.
B) reliable.
C) both valid and reliable.
D) neither reliable nor valid.