When researchers allow biases to control actions in experiments on objective protocols, the scientific community suffers the loss. Regardless of opinion, experience or knowledge, empiricism must be the driving factor in research. Otherwise, science will be contaminated even when there is no inappropriate intent behind the process. There is no place for bias in any scientific genre and it must be controlled through critical analysis and accountability. Therefore, when research has been evaluated, the findings are replicated and empirically recognized as trustworthy and reliable