Examlex
Which of the following is the most sensitive of all x-ray techniques for measurement of bone mineral density?
Confounded
A situation in experimental design where the effects of two variables cannot be separated, leading to ambiguity in results interpretation.
Lurking Variables
Variables that are not included as explanatory or independent variables in the analysis but can affect the relationship between the variables studied.
Randomize
To arrange or assign subjects, treatments, or sequences in a random manner to reduce bias in experimental design.
Blinding
A research design technique where one or more parties in an experiment are unaware of the treatment assignments to prevent bias.
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