The use of stereotypes and heuristics can lead a doctor to an incorrect diagnosis, Psychology Homework Help

The use of stereotypes and heuristics can lead a doctor to an incorrect diagnosis. How could the doctor effectively identify the degree to which stereotypes and heuristics are an influence on diagnoses? What tactic might the doctor use to mitigate the effects of stereotypes and heuristics when making diagnoses? Why is this tactic likely to be effective?