Examlex
Using the 6-MV PDD chart,what is the dose at 10 cm if the dose at Dmax is 300 cGy per day on a 6-MV beam for a field size of 15 x 18?
Validity
The extent to which a test, measurement, or research study accurately measures what it is intended to measure.
Interrater Reliability
The degree of agreement among different raters or observers assessing the same phenomenon.
Split-half Reliability
The reliability of a test measured by dividing it into two parts and assessing how consistently they produce similar results.
Alternate Forms
A method in psychological and educational measurement where two different versions of a test are used to assess the same construct, reducing possible test-retest bias.
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