Today, psychopathic personality is measured using the 20-item psychopathy checklist, originally developed in the 1970s by Canadian psychologist Robert Hare for use in psychology experiments.

A woman who claims to be a "psychopath" has shared some of the most common traits that could indicate that you also have a ...

A key difference between sociopaths and psychopaths relates to moral behavior and conscience (the ability to differentiate between right and wrong). While sociopaths may have a weak conscience and try ...

(It’s popularly known as the “Psychopath Test,” due to the bestselling book by journalist Jon Ronson.) Clinicians score people by reviewing records and interviewing them to assess a range of ...

Based on a popular self-report psychopathy personality test—The Psychopathic Personality Inventory-Revised (PPI-R)—these dimensions include Self-centered Impulsivity, Coldheartedness, and ...

By studying 2,042 cat owners, the researchers found patterns that helped build the final test. They also found clues to how a cat’s personality affects their relationships with humans.

Psychopaths and Other Dark Personalities Thrive in These Places Published Jun 16, 2025 at 11:34 AM EDT Updated Jun 17, 2025 at 6:26 PM EDT By Alice Gibbs ...

Psychological personality optical illusion tests are a fascinating and fun way to take you on a journey through the twists and turns of the mind. In this lighthearted test, you will explore how ...

This optical illusion personality test, as featured on Bright Side's YouTube channel, reveals whether you are stubborn or shy. Spotting a crow first suggests a stubborn nature, while seeing a ...

Your cat might be cute, cuddly and playful. But is there something darker behind those big eyes and twitchy whiskers? A team of scientists have created a test to help answer that exact question ...