General Studies · Design of Experiments
In experimental design, the Principle of Local Control refers to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1selecting a random representative sample from the population
- 2reducing experimental error by grouping homogeneous units to isolate extraneous variables✓
- 3randomly allocating treatments to experimental units
- 4repeating the experiment multiple times to increase precision
Correct answer
reducing experimental error by grouping homogeneous units to isolate extraneous variables
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