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Validity and Research

With a wealth of assessment tools, industry knowledge and the research and validity to stand behind them, you can be certain you are getting what you deserve – the best in the personal assessment industry.

Validity Studies
We let our validity statements speak for themselves, with real numbers crunched by third-party statisticians.
DISC Validity Study
Values Validity Study

Research & Articles
TTI was founded on research-based principles and continues that philosophy to ensure our assessment tools are the most reliable and valid assessments in the marketplace. Some research studies include:

  • Financial Industry Research – Bill Bonnstetter studies the personal skills apparent in top sales people in the financial products and services industry.
  • German and US Sales Force Research – A comparison of the sales performance is made between US and Germany.
  • If the Job Could Talk – In this article, Bill Bonnstetter describes the importance of the study that proves the effects of bias in the typical benchmarking process.