Research Methodology · Experimental Design

साधारण 'पूर्व-पश्चात्' (Before-After) एकल-समूह प्रायोगिक डिज़ाइन में प्राथमिक रूप से कितने समूह शामिल होते हैं?

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साधारण 'पूर्व-पश्चात्' (Before-After) एकल-समूह प्रायोगिक डिज़ाइन में प्राथमिक रूप से कितने समूह शामिल होते हैं?

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साधारण 'पूर्व-पश्चात्' (Before-After) एकल-समूह प्रायोगिक डिज़ाइन में प्राथमिक रूप से कितने समूह शामिल होते हैं?

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