Discussion
Which is not the principle of experimental design ?
Answer: B
Fisher's three principles of experimental design are replication (repeating the treatment), randomization (assigning treatments by chance) and local control (grouping units to reduce error). 'Universalization' is not a principle of design. Fisher's principles are applied in agricultural field trials and in laboratory work alike, and they make the estimate of error valid and the comparison of treatments fair. The answer is the principle of universalization.
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