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The independent variable was changed in an experiment but the definition of the dependent variable was altered midway. What is the main problem?एक प्रयोग में स्वतंत्र चर बदला गया लेकिन आश्रित चर की परिभाषा प्रयोग के बीच बदल दी गई। मुख्य समस्या क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Consistency and validity of measurement were weakenedमापन की संगति और वैधता कमजोर हो गई
Changing measurement criteria means results from different stages may not have the same meaning. Keep operational definitions stable.मापन मानदंड बदलने से अलग चरणों के परिणाम समान अर्थ नहीं रखते। परीक्षा में परिचालन परिभाषा स्थिर रखें।
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