The Courtroom Psychologist:
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May 2025
- May 1, 2025 Not Everyone You Dislike Is a Narcissist: The Misuse of Labels in the Courtroom
- May 1, 2025 Too Smart to Be Intellectually Disabled? Why Crime Scene Behavior Shouldn’t Determine Adaptive Functioning
- May 2, 2025 More Than the Crime Scene: How Forensic Psychology Informs Mitigation and Aggravation in Sentencing
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When Bad Data Go to Court: The Ethics of Invalid Psychological Testing
n a recent case I testified in, I reviewed an opposing expert’s report where the psychological test results were clearly marked invalid—yet those data were still interpreted as though they meant something.
When bad data go to court, justice suffers.
In forensic psychology, the integrity of our conclusions depends on valid data. Once a protocol is deemed invalid, continuing to interpret it isn’t science—it’s storytelling.
Invalid data aren’t just meaningless—they’re misleading. Courts deserve experts who follow the evidence, not the outcome.