Personality Assessment | Psychology | Summary and Q&A

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March 15, 2019
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Personality Assessment | Psychology

TL;DR

Personality can be scientifically studied using objective questionnaires, such as the Ennio Personality Inventory and the Minnesota Multiphasic Personality Inventory, unlike the unreliable projective tests like the Rorschach inkblot test or the Myers-Briggs Type Indicator.

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Key Insights

  • πŸ† Personality assessment has evolved from unreliable projective tests to objective questionnaires.
  • πŸ† The Ennio Personality Inventory and the Minnesota Multiphasic Personality Inventory are widely used and have been tested for reliability and validity.
  • 😘 The Myers-Briggs Type Indicator, although popular, lacks scientific support and has low reliability.
  • πŸ† Projective tests like the Rorschach inkblot test are still familiar due to their portrayal in popular culture.
  • πŸ† Objective questionnaires provide clear response options and are continuously tested to improve reliability.
  • βš–οΈ The MMPI utilizes validity scales to ensure accurate results.
  • ❓ The Ennio Personality Inventory examines the Big Five personality traits.

Transcript

personality is defined as the unique patterns of thoughts emotions and behaviors that make us us it's a profound concept that influences so much of our lives it's clear why psychologists have spent so much time studying it but how can we study it how can we take something so big and quantify it scientifically the first tests that were used to try t... Read More

Questions & Answers

Q: What were projective tests used for in personality assessment?

Projective tests, like the Rorschach inkblot test, aimed to reveal unconscious aspects of personality by showing ambiguous images or phrases and asking people to interpret them. However, these tests lacked reliability.

Q: How do objective questionnaires assess personality?

Objective questionnaires, such as the Ennio Personality Inventory and the Minnesota Multiphasic Personality Inventory, use clear response options and have been tested on diverse samples to ensure reliability and validity.

Q: What is the purpose of validity scales in the MMPI?

The Minnesota Multiphasic Personality Inventory includes validity scales that help to indicate whether a respondent is trying to present themselves as better or worse than they really are, ensuring the accuracy of the results.

Q: Is the Myers-Briggs Type Indicator a reliable personality test?

No, the Myers-Briggs Type Indicator has weak evidence and major issues with test retest reliability. It is not taken seriously by clinicians and is not supported by modern research.

Summary & Key Takeaways

  • Personality was historically assessed using projective tests like the Rorschach inkblot test, which aimed to reveal unconscious aspects of personality but lacked reliability.

  • Objective questionnaires, such as the Ennio Personality Inventory and the Minnesota Multiphasic Personality Inventory, are now widely used to assess personality due to their clear response options and tested reliability and validity.

  • Despite its popularity, the Myers-Briggs Type Indicator is not supported by modern research and has major issues with test retest reliability.

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