The National Firefighter Selection Inventory (NFSI)

The NFSI firefighter test has been designed by I/O Solutions to measure abilities that are important in a successful career as a firefighter. The test is divided into two sections, the first section assess non-cognitive traits and includes a measure of personality attributes, and the second section is an assessment of cognitive abilities. The full NFSI has a time limit of 2½ hours.

While the NFSI include job-related questions you will not require any firefighting experience or knowledge to pass the test.

Other than pen and paper, no aids are allowed during the test. No dictionaries, spelling aids and web-enabled devices are allowed, and most importantly no calculators.


Non-cognitive Traits

The NFSI measures three personality attributes:

  • Stress tolerance
  • Team orientation
  • Motivation/attitude


The behavioral characteristics section consists of a five-point scale format, from “Strongly Disagree” to “Strongly Agree.” This section contains 50 items.

You cannot prepare for the non-cognitive traits section because this section requires the most simple answers from you: the honest ones. Make sure that you answer truthfully to these questions, do not answer what you believe they want you to answer. If you try to cheat in the test by answering untruthfully it may damage your chances of passing the test. Personality tests are build in such a way that untruthful answers will result in inconsistencies in your personality report.

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Cognitive Abilities

The second section of the NFSI measures eight different abilities. The test is laid out in a multi-choice format, consisting of four answer options. The test consists of 105 questions.
The eight abilities measured can be divided into the categories below:

Preparing for the Cognitive Abilities section of the test will lead to a dramatically improved chance of passing the NFSI. One way of preparing is simply by completing as many aptitude tests as you can and try to find your weak areas in order to improve them. However, focused preparation is far more effective and less time consuming. Our preparation software not only include test questions specifically designed for the NFSI, but also preparation tools that will make your training more efficient and focused.


NFSI Scoring

In the non-cognitive traits section a score is given in the two sub-sections and a combined score for the full non-cognitive section is calculated based on the score from the two sub-sections. In the cognitive abilities section a score is given in each of the eight categories and a combined score for the full cognitive section is calculated based on these scores.
Finally each of the two sections will be combined into one overall score given on a 100-point scale. Each individual section and sub-section of the NFSI will be considered in the assessment of your final score

Scores are based on the number of correct answers, there is no penalty to incorrect answers. Therefore, it is very important that you answer all test questions, even at a random guess will have a 25% chance of hitting th correct answer.


NFSI Test Preparation

Preparation is important in order to obtain a good score on the Cognitive Abilities section of the NFSI test. In reading our information about the test, you have already covered the first point on our list of tips for preparation in advance of the test day.

Well in advance of the test day The day before the test Tips for taking the NFSI test: Preparation can make a huge difference on your test results. We strongly believe that our software offers the best NFSI preparation on the market. Read more about our preparation software here:


NFSI Test Preparation Software
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