The nurse researcher notes that test-retest correlations were r = 0.79 when given over 4-week intervals. This is interpreted to indicate what?
a. Equivalence
b. Discriminability
c. Reliability
d. Homogeneity
ANS: C
Feedback
A This response is one type of reliability.
B This response refers to a type of validity.
C The example of test-retest correlations fits reliability.
D Test-retest procedures establish stability of instruments, not homogeneity.
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