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Discover the importance of validity and reliability in research and assessments, ensuring accurate and consistent results. Learn how these concepts enhance the credibility of your findings.
11 cze 2022 · Reliability refers to the extent to which a scale produces consistent results, if the measurements are repeated a number of times. Reliability is a measure of the stability or consistency of test scores. When a measurement procedure yields consistent scores when the phenomenon being measured is not changing Degree to which scores are free of ...
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8 maj 2015 · This short SlideShare presentation explores a basic overview of test reliability and test validity. Validity is the degree to which a test measures what it is supposed to measure. Reliability is the degree to which a test consistently measures whatever it measures.
8 sie 2019 · Test-retest reliability measures the consistency of results when you repeat the same test on the same sample at a different point in time. You use it when you are measuring something that you expect to stay constant in your sample.
28 lis 2020 · Validity refers to how well a study measures what it intends to measure. There are two types of validity: internal validity, which is correctness for the studied group, and external validity, which is generalizability. Reliability means results are consistent and repeatable.
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