Results from experiments with confirmation bias

are not valid
always disprove a hypothesis
are usually accepted anyway
always prove a hypothesis

The correct answer is that they 'are not valid'. If the experiment is biased, it entails that it is not objective. For a experiment, and its results, to be valid, it had to be carried out objectively and taking into account all factors.

Explanation:

this question is confusing, could you reword it?

explanation:

answer; media advocacy;