Distinguish between total confounding and partial confounding
Answers
Answer:
The objective of confounding is to mix the less important treatment combinations with the block effect
differences so that higher accuracy can be provided to the other important treatment comparisons. When
such mixing of treatment contrasts and block differences is done in all the replicates, then it is termed as
total confounding. On the other hand, when the treatment contrast is not confounded in all the replicates
but only in some of the replicates, then it is said to be partially confounded with the blocks. It is also
possible that one treatment combination is confounded in some of the replicates and another treatment
combination is confounded in other replicates which are different from the earlier replicates. So the
treatment combinations confounded in some of the replicates and unconfounded in other replicates. So
the treatment combinations are said to be partially confounded. The partially confounded contrasts are
estimated only from those replicates where it is not confounded. Since the variance of the contrast
estimator is inversely proportional to the number of replicates in which they are estimable, so some
factors on which information is available from all the replicates are more accurately determined.
Total confounding and partial confounding
Explanation:
When. such mixing of treatment contrasts and block differences is completed altogether the replicates, then it's termed as. total confounding.
On the opposite hand, when the treatment contrast isn't confounded altogether the replicates. but only in a number of the replicates, then it's said to be partially confounded with the blocks.
Complete confounding means that you confound the same effects in every replication.
Partial confounding means that you confound different effects in every replication. The efficiency of the estimate is the fraction of replicates where the effect is not confounded.
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