What Does TVAR Stand For?

TVAR stands for Test Variance

TVAR, or Test Variance, refers to the statistical measure that quantifies the variability or dispersion of test scores within a given set of data. It provides insights into how much individual test results differ from the mean, indicating the consistency and reliability of assessments. Understanding TVAR is essential for evaluating testing methods, identifying potential biases, and enhancing the overall efficacy of educational and psychological measurements.