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which-one-of-the-following-principles-provides-protection-against-the-effects-of-extraneous-factors-in-an-experimental-research-design-based-study
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Q.
Which one of the following principles provides protection against the effects of extraneous factors in an experimental research design based study ?
[A] Principle of Replication
[B] Principle of Randomization
[C] Principle of Local Control
[D] Principle of Matching
Answer & Explanation
Answer: Principle of Randomization
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