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What are the Sigma Assessment Systems Tests?

Sigma Assessment Systems is a test company that makes up and administers many different types of tests. Included in their battery of personality tests are the NEO, MEIA, Jackson, and other tests that are used for pre-employment personality testing. Sigma personality tests are popular pre-employment personality tests, and are widely used and distributed.

The NEO tests uses the Five Factor Model as its basis to measure the five main domains of personality. It can be taken online or by hand and takes 40 minutes to complete. The MEIA measures emotional intelligence, is administered online, and takes 20 minutes to complete. The test has 150 items measuring 10 aspects of emotional intelligence. The Jackson Personality test (JPI-R) measures personality traits that may predict one’s behavior in various settings. It has 300 true/false questions, is taken online or by hand and requires 45 minutes to complete.

Other Sigma personality tests include the Personality Research Form (PRF), the Six Factor Personality Questionnaire (SFPQ), the Five Factor Nonverbal Personality Questionnaire (FF-NPQ) and the Nonverbal Personality Questionnaire (NPQ).

Understanding the Questions

Most questions on personality tests are really testing only a few different characteristics that are deemed important by the specific company and the job role. Once you can decipher what characteristics the test is actually testing, you can more easily determine how to approach the questions. Start studying with the Personality Assessment.

Sigma Personality Profile

The following are the personality traits that are measured on the NEO, MEIA, and Jackson tests: For example, the NEO test measures the following characteristics:


  • Anxiety
  • Hostility
  • Depression
  • Self-Consciousness
  • Impulsiveness
  • Vulnerability


  • Warmth
  • Gregariousness
  • Assertiveness
  • Activity
  • Excitement-Seeking
  • Positive Emotions

Openness to Experience

  • Fantasy
  • Aesthetics
  • Feelings
  • Actions
  • Ideas
  • Values


  • Trust
  • Modesty
  • Compliance
  • Altruism
  • Straightforwardness
  • Tender-Mindedness


  • Competence
  • Self-Discipline
  • Achievement-Striving
  • Dutifulness
  • Order
  • Deliberation


Understand the Scoring

Below are sample reports for selected characteristics on each of the tests described above. These are sample reports from the Sigma website.


Strategies and Tips

Test Tip #1: Think like a test-taker only

Sigma tests may seem to be daunting at first glance, but in reality, the test is only evaluating several characteristics, repeatedly. Once you identify these traits, you will understand what the purpose of each question is, making the test a breeze.

Test Tip #2: Time Yourself Right
Some of the tests are timed, while others are not, but even if you get nervous when taking timed tests, there is no need to worry. The tests are structured to give you more than enough time to finish. The goal of the timed aspect is to prevent test takers from gaming the test.

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