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Validity, in general terms, means the degree, to which a measurement measures what it purports to measure.
And with so many measures, what will count as success?
He had, by conventional measures, what George Plimpton (speaking of himself) called a "non-unhappy childhood".
(MSP, or microspectrophotomoter testing, shines different wavelengths of light through fibres, and measures what emerges on the other side).
The more modern "Subjective Well-being" method measures what actually happens to patients when they fall ill.
The JPI measures what can be called imbalanced polarization.
This is a descriptive survey that measures what occurred while using RAs rather than why.
Construct validity reflects the extent to which our study actually measures what we claim to measure.
Construct validity (to which extent the study measures what it intends to measure).
Validity of a test refers to the degree to which it measures what it intends.
In simple terms, pharmacokinetics, PK, measures what the body does to the drug, while pharmacodynamics, PD, measures what the drug does to the body.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com