Psychological development tools can be an important tool in your hiring, management development, team dynamics toolbox. They can also be extremely useful for individuals working on their own professional development. At MentorWerx, we are certified in using the 16PF instrument, a reliable, validated tool with decades of data and peer review behind it. The 16PF Questionnaire is one of the most widely recognized tools to assess personality. We send you an online assessment, calculate the results, produce a report, and review the results with you.