National Correctional Officer Selection Inventory (NCOSI)


Exam Highlights:

National Correctional Officer Selection Inventory -  NCOSI
The NCOSI combines a cognitive ability measure with a measure of behavioral orientation (a personality-type measure). The combination of these two measures increases the tool’s prediction while reducing its disparate impact against protected classes.

Exam Features:

  • Parallel Forms: Two (2) – Form 1, Form 2
  • Length: Cognitive Ability Measure – 45 items, Non-cognitive (Behavioral-Orientation) Measure – 42 items
  • Administration Time: 1 ½ Hours, plus 15 minutes for instructions
Measurement Domains:

Cognitive Ability:

  • Mathematical Reasoning
  • Reading Comprehension
  • Grammatical/Written Competency


  • Stress Tolerance
  • Interpersonal Ability
  • Team Orientation
  • Assertiveness
  • Ethics/Integrity
Available Study Materials:

We recommend agencies secure study materials for candidates directly, or provide information on where to find legitimate and accurate preparation materials.


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