The nurse researcher notes that the initial test for reliability of an instrument has been conducted on a sample that has different characteristics from those of the current study sample. The researcher should do what?
a. Conduct a pilot study on the current sample to determine whether reliability is maintained.
b. Use the instrument with the current sample because reliability holds across samples.
c. Use the Kuder-Richardson formula to recalculate the reliability coefficient.
d. Discard or reject the instrument.
ANS: B
Feedback
A The pilot sample was most likely done before this time.
B A reliable instrument can be used on more than one occasion to measure a set of behaviors that ordinarily remains relatively constant.
C Kuder-Richardson could be calculated on the current sample, but this answer is incorrect.
D The instrument should not be discarded.
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