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In Doubt: The Psychology of the Criminal Justice Process
Abstract
The criminal justice process is unavoidably human. Police detectives, witnesses, suspects, and victims shape the course of investigations, while prosecutors, defense attorneys, jurors, and judges affect the outcome of adjudication. In this sweeping review of psychological research, Dan Simon shows how flawed investigations can produce erroneous evidence and why well-meaning juries send innocent people to prison and set the guilty free. The investigator’s task is genuinely difficult and prone to bias. This often leads investigators to draw faulty conclusions, assess suspects’ truthfulness incorrectly, and conduct coercive interrogations that can lead to false confessions. Eyewitnesses’ identification of perpetrators and detailed recollections of criminal events rely on cognitive processes that are often mistaken and can easily be skewed by the investigative procedures used. In the courtroom, jurors and judges are ill-equipped to assess the accuracy of testimony, especially in the face of the heavy-handed rhetoric and strong emotions that crimes arouse. Simon offers an array of feasible ways to improve the accuracy of criminal investigations and trials. While the limitations of human cognition will always be an obstacle, these reforms can enhance the criminal justice system’s ability to decide correctly whom to release and whom to punish.
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In the citing paper
“It is well established that the justice and legal systems are plagued with bias.”
From Biased and biasing: the hidden bias cascade and bias snowball effects (2025) · cites this paper as Simon, 2012
In the citing paper
“It impacts each and every aspect of the justice and legal systems, from the initial engagement of police officers attending the crime scene, through the forensic examination, and all the way to the final outcome of the jurors’ verdict and the judges’ sentencing.”
From Biased and biasing: the hidden bias cascade and bias snowball effects (2025) · cites this paper as Simon, 2012
In the citing paper
“Given the human role and subjectivity in policing, eyewitnesses’ accounts, jurors’ decision making, and judges’ sentencing, it is not surprising that bias impacts the different elements of the justice and legal systems”
From Biased and biasing: the hidden bias cascade and bias snowball effects (2025) · cites this paper as Simon, 2012
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Metadata
- Authors
- Simon, D.
- Corresponding author
- Simon, Dan
- ORCID
- Simon, Dan
- Venue
- Harvard University Press eBooks
- Publisher
- Harvard University Press
- Published
- 2012-04-12
- OpenAlex
- W4213299012
- Cited by
- 109
- References
- 0
- Citations by year
- 2026: 5 · 2025: 5 · 2024: 4 · 2023: 7 · 2022: 7 · 2021: 3 · 2020: 6 · 2019: 44 · 2018: 7 · 2017: 5 · 2016: 6 · 2015: 4 · 2014: 2 · 2013: 3 · 2012: 1
- FWCI
- 3.47
- Type
- book
- Language
- en
- Open access
- closed
- Locations
- Harvard University Press eBooks (publishedVersion)
- Topics
- Social Sciences › Psychology › Social Psychology › Deception detection and forensic psychology
- Social Sciences › Law › Legal processes and jurisprudence
- Social Sciences › Law › Jury Decision Making Processes
- Keywords
- criminal justice, wrongful convictions, researcher bias, police detectives, eyewitness identification, false confessions, coercive interrogation, jury decision-making, judicial decision-making, cognitive errors, forensic psychology, criminal trials, criminal investigation
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.