In the field experimentation, local control is used for
A. Validity of estimate of error
B. Validity of treatment effects
C. Diminution of error
D. All of these
Answer: Option C
A. Validity of estimate of error
B. Validity of treatment effects
C. Diminution of error
D. All of these
Answer: Option C
A. Field trails
B. Exhibitions
C. Competition
D. Fair
The intelligency, ability or efficiency can be measured by use of
A. Median
B. G.M.
C. Weighted H.M.
D. Geometric mean
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