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This test is designed as a measure of internal consistency to determine whether all items within the instrument measure the same thing.
There are different types of validity, which include face validity (does the instrument measure what it appears to measure?), criterion validity (do scores correlate with other measures of the behavior being studied?), construct validity (does the instrument make accurate predictions about behavior?), and discriminative validity (does the instrument accurately categorize different groups?) [50].
The 20 dichotomized questions of the instrument measure positive and negative attitudes about the future.
Both versions of the instrument measure the level of activation of a specific individual.
Based on these results it is concluded that the instrument measure HRQOL on group level in a reliable and valid way [ 19].
We assessed whether subdomains within each instrument measure unique aspects of health status, or whether there is conceptual similarity between subdomains of the NCSI and SF-36.
Similar(49)
The Rosina instrument measured water coming off the comet as it flew around the body.
The instrument measured the north-to-south distributions of hydrogen cyanide and carbon dioxide.
The instrument measured radiation from only five solar storms, all modest.
An instrument measures the electrical impulses to see which colors elicit the greatest reaction.
The instrument measures all wavelengths simultaneously.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com