The strengths of internal consistency are that they enhance the accuracy of the results by eliminating possible errors that are inherent in the instrument and reduce the effect of confounding variables in a study. The test is appropriate when analyzing the effectiveness of parameters or instruments in a given study. The internal consistency reliability test employs multiple experiments or tests and correlates measurements to establish if instruments or the parameters are consistent in measuring the same construct. Internal consistency is a reliability test that seeks to ascertain if consistencies exist in parameters that measure a certain construct. Tests of Reliability Internal consistency Difficult to determine causal relationships
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