Scientists are trained to carefully observe and record any research outcomes that are inconsistent with their hypotheses. this practice most directly serves to reduce

The correct answer is - confirmation bias.

Explanation:

Confirmation bias is a type of cognitive bias that includes search or favors the information, fact or research that favor or bias towards an individual's belief or hypothesis. This is led to the systemic error of inductive reasoning.

Scientists are trained in a manner that they reduce the confirmation bias by observing and record research outcomes that do not favor their hypothesis. This type of training helps scientists to conduct experiment error-free.

Thus, the correct answer is - confirmation bias.