Before you begin a major research project, it would be a good idea to identify and acknowledge your own biases towards your subject. Everyone has biases, but they are less likely to get you into trouble if you know what they are.
Biases can manifest as anything from a research methodology to an unconsidered prejudice.
Remember that a bias does not have to be untrue to be a bias. In fact, many scholars argue that your particular bias has a great deal to do with your place in society. Martin Luther King Jr. As mentioned elsewhere , Martin Luther King Jr., has been accused of academic fraud. His case is a good example of the ethical problems in the humanities.