Examlex
If a particular multiple regression model has a small value of the C statistic and C for this model is less than k+1, where k is the number of independent variables in the model, then the model should be considered biased and therefore undesirable.
Test-Retest Reliability
The consistency of measurements or scores when the same test is administered to the same participants under the same conditions at different times.
True Scores
Theoretical values that accurately reflect the actual attribute or ability measured, devoid of any measurement error or bias.
Observed Scores
The actual scores or data collected from research participants during a study.
Reliability Coefficients
Statistics that measure the consistency or stability of scores from a test or measurement tool over time.
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