Hypothesis Testing in Research Methodology | Null & Alternative Hypothesis

PhD थीसिस या शोध पत्र (Research Paper) के लिए परिकल्पना (Hypothesis) बनाने और उसका PhD थीसिस या शोध पत्र (Research Paper) के लिए परिकल्पना (Hypothesis) बनाने और उसका परीक्षण करने में उलझे हैं? 1. अनुसंधान में परिकल्पना की आवश्यकता क्यों है और इसके मुख्य कार्य क्या हैं? * एक मजबूत और वैज्ञानिक रूप से मान्य परिकल्पना की मुख्य विशेषताएं । 2. चर (Variables) क्या हैं? स्वतंत्र (Independent) और आश्रित (Dependent) चरों के बीच का अंतर । 3. शून्य परिकल्पना (Null Hypothesis - $H_0$) बनाम वैकल्पिक परिकल्पना (Alternative Hypothesis - $H_a$) । 4. दिशात्मक (Directional/One-Tailed) और गैर-दिशात्मक (Non-Directional/Two-Tailed) परीक्षण ।

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