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______ uses radioactive materials to create contrast in the body and help form images of the structure and function of organs.
External Validity
The degree to which a study's findings can be applied to other contexts and different individuals.
Validity
The extent to which a test, measurement, or study accurately reflects or assesses the specific concept it is intended to measure.
Accurate Representation
is the degree to which an account or depiction reflects the true nature or details of the subject being represented.
Internal Validity
refers to the extent to which a study can demonstrate a clear cause-and-effect relationship between variables, unconfounded by extraneous factors.
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