The research method which focuses on establishing causal relationships with controls among variables (independent, moderator and dependent) is called:वह शोध विधि जो चरों (स्वतंत्र, मध्यस्थ/moderator और आश्रित) के बीच नियंत्रण के साथ कारण-कार्य संबंध स्थापित करने पर केंद्रित होती है, कहलाती है:
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Correct answer: D. Experimental methodप्रयोगात्मक विधि
Explanation
Only the experimental method manipulates the independent variable and controls other variables, so it can establish cause and effect. Ex post facto studies look at causes after the event, without control.केवल प्रयोगात्मक विधि में स्वतंत्र चर में परिवर्तन किया जाता है और अन्य चरों को नियंत्रित किया जाता है, इसलिए इससे कारण-कार्य संबंध स्थापित होता है। कार्योत्तर अध्ययन घटना के बाद, बिना नियंत्रण के, कारण खोजते हैं।More Research Aptitude questions
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