Which experiment would most likely contain experimental bias? a. a company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands. b. a chemistry class performs an experiment in which each reaction has the same amount of starting material and begins at the same temperature. 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 lab performs a test by giving bacterial colonies the same amount of different antibiotics and growing them under the same conditions.

A, because a company is testing their product against other comapnies. They might be inclined to be biased towards their own product.

Hello,

Question - Which experiment would most likely contain experimental bias?

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

Why - "In epidemiology, reporting bias is defined as "selective revealing or suppression of information" by subjects (for example about past medical history, smoking, sexual experiences)."

explanation:

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

mark as brainlest

gokuson