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Which experiment would most likely contain experimental bias?

A.

A lab performs a test by giving bacterial colonies the same amount of different antibiotics and growing them under the same conditions.

B.

A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.

C.

A student tests the attraction of bees to flowers by placing four different flowers in the same location and counting how many bees visit each.

D.

A chemistry class performs an experiment in which each reaction has the same amount of starting material and begins at the same

Answer: B. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.

Explanation:

An experimental bias can be define as a phenomena in which the experimenter chooses subjects which are likely to generate a desire result, instead of normal processes of science. B. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands. is the correct option because in this the company will only test the own brand to know the effectiveness of their own product so that changes can be made in it's composition.

id say the correct answer would be

B) A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands