PEAK Credibility Assessment Training Center is hosting a three-day advanced seminar on the Empirical Scoring System – Multinomial (ESS-M) and other cutting-edge algorithms for polygraph data analysis. Led by Raymond Nelson, a polygraph expert, the course will provide in-depth training on manual and automated scoring, including OSS-3, Probability Analysis (PA), and Ipsative-Z algorithms.

Attendees will explore the full ESS-M process—feature extraction, statistical models, and decision rules—learning how to apply these tools in practice. This seminar is especially relevant after the recent approval of the APA’s Model Policy for Algorithm Use in Evidentiary Polygraph Examinations.

  • Dates: September 23-25, 2024
  • Location: Indianapolis, IN
  • Cost: $500
  • CEH: 24

Other Upcoming Courses:

  1. Advanced Examiner’s Course
    • Improve test quality and reduce inconclusiveness.
    • Dates: December 2024, March, July, December 2025
    • Cost: $725-$750
    • CEH: 40
  2. PCSOT Course
    • Specialized training for handling post-conviction sex offender testing.
    • Dates: March & July 2025
    • Cost: $750
    • CEH: 40

Register early to secure your spot!

Schedule your appointment online — fast, easy, and secure.
Over 35 Accredited Examiners available today to provide confidential and professional lie detector tests.

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