17025 QMS Short Webinar 09 - What is a Decision Rule and why should Laboratories care?


Webinar 9 – What is a Decision Rule, and why should laboratories care?

This hour-long webinar will explain what a decision rule is in the context of a laboratory making a decisionon whether a test or calibration result is a “Pass” or a “Fail”.

It will detail the requirements of the ISO/IEC 17025 standard for accredited testing or calibration laboratories when making a Pass/Fail statement on their certificates, and how the decision rule employed can influence the outcome.

Presented by an international accreditation body peer evaluator and accreditation program manager with 20 years of experience in metrology as laboratory manager, laboratory assessor, and technical committee member.


  • What is a decision rule?
  • Why is the decision rule important when evaluating calibration and test results?
  • What are the requirements of ISO/IEC 17025 with regards to the decision rule?
  • How to choose a decision rule.

Your Instructor

Helga Alexander
Helga Alexander

Helga is the Calibration Program Manager for IAS. Her experience includes 13 years at the Keithley Instrument Calibration Lab, leading to her management of their primary standards lab. She first became involved in accreditation in 2008 and became a calibration laboratory assessor in 2013.

Prior to assuming responsibility for the IAS Calibration Laboratory Accreditation Program, she spend four years with Southern Research Institute as their Quality Manager.

Today, Helga represents IAS at NCSLI and is the Convenor of the APAC Calibration Sub Committee of the APAC Technical Committee

Frequently Asked Questions

When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
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What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

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