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A researcher described the experimental method in detail but did not explain sample selection. Which assessment becomes difficult?एक शोधकर्ता ने प्रयोग की विधि विस्तार से बताई लेकिन नमूना चयन नहीं बताया। इससे कौन सी जाँच कठिन होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Assessment of selection bias and representativenessचयन पक्षपात और प्रतिनिधिकता की जाँच
Without sample selection details it is difficult to know whether the group was representative. Check sampling transparency.नमूना चयन बताए बिना यह समझना कठिन है कि समूह प्रतिनिधि था या नहीं। परीक्षा में नमूनाकरण की पारदर्शिता देखें।
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