The coefficient of stability is a statistical measure used to assess the consistency of a test or measurement over time, typically in the context of test-retest reliability. It reflects the degree to which individual differences in scores remain stable across two or more testing occasions, indicating the reliability of the measure over time.

Coefficient Of Stability

coefficient of stability

A statistical measure is a value that represents a characteristic of a dataset, providing insights into its distribution, central tendency, or variability. These measures are essential for summarizing data, making comparisons, and drawing conclusions in research and data analysis.

statistical measure

consistency of a test

measurement over time

Test-retest reliability measures the consistency of a test or measurement over time, indicating the stability of the results when the same test is administered to the same subjects under similar conditions on two different occasions. High test-retest reliability suggests that the test produces stable and consistent results, which is crucial for ensuring the validity of longitudinal studies and repeated measures designs.

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