Testing of a New Instrument Demonstrates That It Has a High

Testing of a new instrument demonstrates that it has a high degree of internal consistency. What does this indicate to the nurse researcher?

A) The instrument is appropriate to use to measure a single concept.
B) The instrument has low measurement error and high error variance.
C) More refinement of the instrument is necessary before it can be applied.
D) The instrument is valid, but the reliability has yet to be determined.

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