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Machiavellianism is a personality trait centered on manipulativeness

In the 1960s, Richard Christie and Florence L. Geis wanted to analyze those who manipulated others, and developed a test using a selection of statements, including a few truncated and edited sentences from Machiavelli’s works as test items, naming the construct “Machiavellianism” after Machiavelli.[8][1] They wanted to assess whether or not those who were in agreement […]

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Psychopathic Personality Inventory

The items used in the original version of the PPI were based on a number of conceptual constructs theorized (by previous researchers such as Hervey Cleckley and Robert D. Hare) to be related to psychopathy. It consists of a series of statements to which subjects respond on how accurately the statement describes them using a 4-point Likert scale (“False, “Mostly False”, “Mostly […]

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PSY-5 (Personality Psychopathology Five) scales

The PSY-5 is set of scales measuring dimensional traits of personality disorders, originally developed from factor analysis of the personality disorder content of the Diagnostic and Statistical Manual of Mental Disorders.[43] Originally, these scales were titled: Aggressiveness, Psychoticism, Constraint, Negative Emotionality/Neuroticism, and Positive Emotionality/Extraversion;[43] however, in the most current edition of the MMPI-2 and MMPI-2-RF, the Constraint and […]

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Psychological assessment

An important area of expertise for many clinical psychologists is psychological assessment, and there are indications that as many as 91% of psychologists engage in this core clinical practice.[29] Such evaluation is usually done in service to gaining insight into and forming hypotheses about psychological or behavioral problems. As such, the results of such assessments are usually used to create generalized […]

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Deviant behavior

Deviant behavior is gaining in clinical importance if it is founded on stable, characteristic, and enduring patterns of psychopathologically relevant personality traits which have their onset in childhood or adolescence. The classification of these traits shows variations, so that a distinction between the ICD-10 diagnosis of dis-social personality disorder, DSM-IV diagnosis of antisocial personality disorder, […]

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More about APD

What Is It? Antisocial personality disorder, like other personality disorders, is a longstanding pattern of behavior and experience that impairs functioning and causes distress. By definition, people with antisocial personality disorder don’t follow society’s norms, are deceitful and intimidating in relationships, and are inconsiderate of the rights of others. People with this type of personality […]

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Antisocial personality disorder

under current diagnostic systems, antisocial personality disorder is not formally diagnosed before the age of 18 but the features of the disorder can manifest earlier as conduct disorder. People with conduct disorder typically show antisocial, aggressive or defiant behaviour, which is persistent and repetitive, including aggression to people or animals, destruction of property, deceitfulness, theft […]

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Antisocial personality disorder

People with antisocial personality disorder exhibit traits of impulsivity, high negative emotionality, low conscientiousness and associated behaviours including irresponsible and exploitative behaviour, recklessness and deceitfulness manifest in unstable interpersonal relationships, disregard for the consequences of one’s behaviour, a failure to learn from experience, egocentricity and a disregard for the feelings of others many people with […]

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Dissociative identity disorder

Dissociative identity disorder (DID), previously known as multiple personality disorder (MPD),[7] is a mental disorder characterized by the maintenance of at least two distinct and relatively enduring personality states.[3] The disorder is accompanied by memory gaps beyond what would be explained by ordinary forgetfulness.[3][5] The personality states alternately show in a person’s behavior;[3] however, presentations of the disorder vary.[5] Other conditions that often occur in people with DID […]

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The Three Faces of Eve

In 1951, Eve White is a timid, self-effacing wife and mother who has severe and blinding headaches and occasional blackouts. Eventually goes to see psychiatrist Dr. Luther, and while having a conversation, a “new personality”, the wild, fun-loving Eve Black, emerges. Eve Black knows everything about Eve White, but Eve White is unaware of Eve […]

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