To measure test-retest reliability of an instrument,a researcher may use the
A) Cronbach alpha coefficient.
B) Fischer's exact test.
C) Kuder-Richardson score.
D) Pearson's correlation statistic.

Question

Quizplus · Accepted Answer

The t-test,or Pearson's correlation statistics,may be used to determine test-retest reliability.Cronbach's alpha coefficient is used to determine reliability in a single study.Fischer's exact test measures statistical significance,usually in small samples.The Kuder-Richardson score measures internal reliability.

To Measure Test-Retest Reliability of an Instrument,a Researcher May Use