validity

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Validity in research refers to the extent to which an instrument measures what it is claimed to measure. When a study uses a novel research instrument, the researchers are normally expected to produce evidence of its validity.

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[Please be aware that a word may have different nuances, or even a different meaning, according to context.]« Back to Index

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.