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miv72 [106K]
3 years ago
12

Which experiment method is important for controlling bias ?

Social Studies
1 answer:
IRINA_888 [86]3 years ago
7 0

The answer is C. Because if you let them pick their group it will be their opinion so it will be biased.And the other two wouldnt help at all.Therefore C is the answer Good luck :)

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