When the nurse researcher demonstrates that an instrument is highly reliable, which type of error is reduced?
a. Random error
b. Variance error
c. Persistent error
d. Systematic error
ANS: D
Feedback
A Random error is connected with validity.
B Variance and error are connected as a research term, error variance, not the reverse; it is defined as variability in test scores.
C Persistent error is not a research term.
D Systematic error is connected with reliability.
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