Examlex
A textile worker who is paid by the piece for the number of shirts sewn is on a fixed-ratio schedule.
Grade Point Average
A numerical calculation representing the average value of the accumulated final grades earned in courses over time.
Item Analysis
A series of statistical tests and procedures that can be used to assess for homogeneity in a test.
Construct Validity
The degree to which a test accurately measures the theoretical construct or concept it is intended to measure.
Content Validity
The ability of an instrument to fully assess or measure a construct of interest by sufficiently sampling from the entire universe of items for which the instrument was designed to sample.
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