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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.
Reason and Intuition01:37

Reason and Intuition

The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the brain can only use...
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...
Introspection01:29

Introspection

Introspection, long upheld as a reliable route to self-knowledge, involves examining one's thoughts, emotions, and mental processes. It underpins many psychological practices, from mindfulness meditation to psychotherapy and self-help strategies. However, empirical evidence challenges the accuracy of introspection as a means of understanding oneself.Limitations of Introspective InsightSeminal work by Nisbett and Wilson demonstrated that individuals are frequently unaware of the true causes...
Personality Theory by Eysenck and Eysenck01:29

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Related Experiment Video

Updated: Jul 5, 2026

Humor or Rationality? The Neural Mechanisms of How Agent Type and Language Style Influence Satisfaction with Ride-Hailing Service Failure Recovery
09:53

Humor or Rationality? The Neural Mechanisms of How Agent Type and Language Style Influence Satisfaction with Ride-Hailing Service Failure Recovery

Published on: March 13, 2026

Individual differences in processing styles: validity of the Rational-Experiential Inventory.

Fredrik Björklund1, Martin Bäckström

  • 1Lund University, Sweden. fredrik.bjorklund@psychology.lu.se

Scandinavian Journal of Psychology
|May 3, 2008
PubMed
Summary

The Swedish Rational-Experiential Inventory (REI-40) demonstrates strong structural validity and meaningful correlations with personality traits. This validated psychological tool accurately measures rationality and experientiality, showing good psychometric properties for research.

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Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
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Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

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Last Updated: Jul 5, 2026

Humor or Rationality? The Neural Mechanisms of How Agent Type and Language Style Influence Satisfaction with Ride-Hailing Service Failure Recovery
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Published on: March 13, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
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Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

Area of Science:

  • Psychology
  • Personality Assessment

Background:

  • The Rational-Experiential Inventory (REI-40) is a key tool for measuring thinking styles.
  • Investigating the psychometric properties of translated psychological instruments is crucial for cross-cultural research.

Purpose of the Study:

  • To evaluate the structural validity of a Swedish translation of the REI-40 using confirmatory factor analysis.
  • To assess the convergent and discriminant validity of the REI-40 factors.
  • To examine the concurrent validity of the rationality scale in relation to decision-making.

Main Methods:

  • Confirmatory factor analysis was employed to test the factor structure of the Swedish REI-40 in Study 1 (N=203).
  • Correlations with other personality traits were analyzed in Study 2 (N=72) to establish convergent and discriminant validity.
  • The relationship between rationality scores and risky choice framing effects was investigated.

Main Results:

  • The hypothesized orthogonal two-factor model (rationality and experientiality) showed a satisfactory fit, outperforming alternative models.
  • Including "ability" and "favorability" subscales further improved model fit.
  • The REI-40 factors exhibited theoretically meaningful correlations with other personality traits.
  • Rationality scores were negatively associated with risky choice framing, supporting concurrent validity.

Conclusions:

  • The Swedish translation of the REI-40 possesses adequate structural validity.
  • The instrument demonstrates satisfactory psychometric properties, including convergent, discriminant, and concurrent validity.
  • The findings support the use of the Swedish REI-40 in psychological research.