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The term a priori is used to describe an assumption which does not result from observation/experiment but is considered to necessarily be so – that is, prior to experience. Science generally seeks to avoid relying on any a priori assumptions.
[Please be aware that a word may have different nuances, or even a different meaning, according to context.]
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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.
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