Examlex
Using pure oxygen in scuba diving tanks is a good method of preventing the nitrogen bends.
Test-retest Reliability
The consistency of a measure assessed by testing the same individuals at two different points in time.
Item-total Correlation
The statistical relationship between a single test item and the total score on the test, used to assess the item's quality.
Consistency
in research refers to the reliability or stability of measurements over time, across different contexts, or when using various methods of assessment.
Construct Validity
The degree to which a test or instrument accurately measures the theoretical construct or trait it is intended to measure.
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