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Related Concept Videos

Self-Report Tests of Personality01:22

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
Cattell's 16 Personality Factors01:24

Cattell's 16 Personality Factors

Raymond Cattell's trait theory offers a structured framework for understanding personality by distinguishing between two critical traits: surface and source traits. Surface traits are observable patterns of behavior, such as indecisiveness, anxiety, and irrational fears. These traits are less stable, varying across situations and over time. This means that they are less helpful in understanding the deeper aspects of an individual's personality.
In contrast, source traits are the fundamental,...
Personality Theory by Eysenck and Eysenck01:29

Personality Theory by Eysenck and Eysenck

Hans and Sybil Eysenck developed a widely recognized theory of personality, which emphasizes the role of temperament and genetically based differences in shaping individual traits. Their theory posits that biological factors primarily determine personality and can be understood through two main dimensions: extroversion/introversion and neuroticism/stability.
In the extroversion/introversion dimension, highly extroverted people are sociable, outgoing, and easily connect with others. In contrast,...
Self-Discrepancy Theory02:45

Self-Discrepancy Theory

One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.
Five-Factor Theory of Personality01:29

Five-Factor Theory of Personality

The five-factor model, often called the Big Five personality traits, is widely accepted in psychology as a comprehensive framework for understanding personality. These five traits — Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism — are often remembered using the acronym OCEAN.
Openness reflects creativity, curiosity, and openness to new experiences. Individuals scoring high in openness are imaginative, have a wide range of interests, and are independent thinkers. Low...
Implicit Personality Theories01:23

Implicit Personality Theories

Implicit personality theory explains how individuals make assumptions about the relationships between personality traits, behaviors, and character types. When people learn that someone possesses a particular trait, they tend to infer the presence of other related characteristics, forming a cohesive impression. This cognitive shortcut plays a crucial role in social interactions and interpersonal judgments.Central Traits and Their InfluenceSolomon Asch's seminal 1946 study highlighted the power...

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Advancing Dyslexia Assessment in Children Through Computerized Testing
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Advancing Dyslexia Assessment in Children Through Computerized Testing

Published on: August 16, 2024

Severity Indices of Personality Problems (SIPP-118): development, factor structure, reliability, and validity.

Roel Verheul1, Helene Andrea, Caspar C Berghout

  • 1Viersprong Institute for Studies on Personality Disorders (VISPD), Center of Psychotherapy De Viersprong, Halsteren, The Netherlands.

Psychological Assessment
|March 5, 2008
PubMed
Summary

The Severity Indices of Personality Problems (SIPP) questionnaire, with 118 items, reliably measures core personality functioning across five domains. This tool demonstrates validity and sensitivity to change in clinical populations.

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Last Updated: Jul 7, 2026

Advancing Dyslexia Assessment in Children Through Computerized Testing
09:00

Advancing Dyslexia Assessment in Children Through Computerized Testing

Published on: August 16, 2024

Area of Science:

  • Psychological assessment
  • Personality psychology
  • Clinical psychology

Background:

  • Assessing maladaptive personality functioning is crucial for diagnosis and treatment.
  • Existing measures may not fully capture the core components of personality problems.
  • Development of a comprehensive and valid self-report instrument is needed.

Purpose of the Study:

  • To develop and validate the Severity Indices of Personality Problems (SIPP) questionnaire.
  • To assess the reliability, validity, and clinical utility of the SIPP.
  • To identify core domains of maladaptive personality functioning.

Main Methods:

  • Development of a self-report questionnaire (SIPP) with 16 facets.
  • Validity testing involving 2,730 participants across various populations.
  • Analysis of internal consistency, concurrent validity, convergent validity, and discriminant validity.

Main Results:

  • The 16 facets formed homogeneous item clusters fitting into 5 higher-order domains: self-control, identity integration, relational capacities, social concordance, and responsibility.
  • The SIPP demonstrated good concurrent, convergent, and discriminant validity.
  • Domain scores showed stability over short intervals and sensitivity to change over two years in treated patients.

Conclusions:

  • The final instrument, SIPP-118, provides reliable and valid indices of core personality functioning.
  • The SIPP is an efficient tool for assessing maladaptive personality traits.
  • The findings support the SIPP's utility in clinical and research settings.