पौधों की वृद्धि पर संगीत के प्रभाव की जांच में पौधों को अलग-अलग कमरों में रखा गया। एक कमरे में तापमान भी अधिक था। यह समस्या किस प्रकार की है?
While testing the effect of music on plant growth the plants were kept in different rooms. One room was also warmer. What type of problem is this?
Explanation opens after your attempt
C. भ्रमकारी चरConfounding variable
Concept
Temperature may also affect growth making the effect of music difficult to isolate. A second factor changing with the treatment is a confounding variable.
Why this answer is correct
The correct answer is C. भ्रमकारी चर / Confounding variable. Temperature may also affect growth making the effect of music difficult to isolate. A second factor changing with the treatment is a confounding variable.
Exam Tip
तापमान भी वृद्धि को प्रभावित कर सकता है इसलिए संगीत के प्रभाव को अलग पहचानना कठिन होगा। परीक्षा में साथ बदलने वाले दूसरे कारक को भ्रमकारी चर मानें।
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