Examlex
Based on HEI data,dietary quality _____ from childhood to adolescence.
Blinding
A research design technique where one or more parties in an experiment are unaware of the treatment assignments to prevent bias.
Experimental Unit
The smallest division of the experimental material such that any two units are independent and can be assigned to different treatments.
Cage
A structure of bars or wires in which animals or birds are confined.
Confounding Variable
A variable outside of the researcher's control that can affect the results of a study, potentially leading to misleading conclusions.
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