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How can you display the main folders on a Windows computer?
Variability
The extent to which data points in a dataset differ from each other and from their average value, indicating the spread or dispersion in the dataset.
True Score
In psychometrics, the actual score that accurately reflects the tested variable or trait in the absence of measurement errors.
Reliability
The degree to which an assessment tool produces stable and consistent results over multiple administrations under the same conditions.
Construct Validity
The extent to which a test or instrument accurately measures the theoretical construct or concept it is intended to assess.
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