Comprehensionmedium · Past Paper
The scientist repeated the experiment ten times with the same result before he finally allowed himself to smile. Why did he wait so long?
AHe was bored with the experiment.
BHe wanted to ensure the results were consistent and reliable.
CHe didn't know how to do the experiment.
DHe was waiting for his boss to arrive.
✓ Correct Answer: B — He wanted to ensure the results were consistent and reliable.
In science, repetition is necessary to prove that a result is not a fluke but is scientifically valid.
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