Validity of a research can be improved by
| A. | eliminating extraneous factors |
| B. | taking the true representative sample of the population |
| C. | both of the above measures |
| D. | none of these |
Answer : C Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
