A Group of Researchers Developing an Instrument Performed a Test-Retest

A group of researchers developing an instrument performed a test-retest on the instrument with an interval of 5 days. This testing resulted in a correlation coefficient of 0.38. The nurse researcher interprets this as being indicative of what?

A) Instrument is stable; high reliability
B) Instrument is stable; low reliability
C) Instrument is unstable; high reliability
D) Instrument is unstable; low reliability

Correct Answer:

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