personal biases | Definition

Doc's CJ Glossary by Adam J. McKee
Course: General Term

Personal biases are attitudes and prejudices held by individuals in the criminal justice system that can affect their decisions and lead to disparities.


Personal biases in the criminal justice system refer to the unconscious or conscious attitudes, beliefs, and prejudices that can affect how law enforcement officials, judges, and juries make decisions. These biases can have a significant impact on the fairness and impartiality of the criminal justice system and can lead to disparities in how different individuals are treated.

One context in which personal biases can play a role in the criminal justice system is policing. Law enforcement officials may have biases based on factors such as race, ethnicity, gender, and socioeconomic status, which can affect how they interact with individuals during stops, searches, and arrests. For example, a police officer who holds negative stereotypes about young black men may be more likely to view a black teenager as a potential threat and to use force against them.

Another context in which personal biases can affect the criminal justice system is in the charging and prosecution of crimes. Prosecutors may have biases based on the characteristics of the defendant or the victim, such as race, ethnicity, gender, or sexual orientation, which can affect how they decide which charges to bring and how aggressively to pursue the case. For example, a prosecutor who holds negative stereotypes about women who report sexual assault may be less likely to believe the victim’s story and may be less aggressive in pursuing the case.

Personal biases can also affect the decisions made by judges in criminal cases. Judges may have biases based on their personal experiences or beliefs, which can affect how they interpret evidence and apply the law. For example, a judge who holds negative stereotypes about individuals with mental illness may be more likely to view a defendant’s behavior as indicative of criminal intent rather than as a manifestation of their illness.

Juries are also vulnerable to personal biases, which can affect their ability to make impartial decisions. Jurors may have biases based on their personal experiences, beliefs, or prejudices, which can affect how they interpret evidence and evaluate witness testimony. For example, a juror who holds negative stereotypes about individuals with a history of drug addiction may be less likely to believe a defendant’s testimony about their addiction and may be more likely to view them as morally culpable for their actions.

Personal biases can also lead to disparities in how different individuals are treated by the criminal justice system. For example, studies have shown that individuals who are members of racial or ethnic minority groups are more likely to be stopped, searched, and arrested by law enforcement officials and are more likely to receive harsher sentences from judges. Similarly, individuals who are poor or who have limited access to legal resources may be more likely to be convicted of crimes and receive longer sentences than individuals who are wealthier or who have more legal representation.


[ Glossary ]

Last Modified: 04/27/2023

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