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3. Proficiency testing
3.1 Objectives and principles
As Table 1 shows, proficiency testing is another type of collaborative study. In terms of vocabulary, we often come across the term inter-laboratory comparison, or CIL, and proficiency testing scheme, or PTS.
For a long time, these tests were simply collaborative tools, used on a voluntary basis by scientists to develop a common method. With the introduction of ISO/IEC 17025 accreditation, they acquired a rather different role, as specified in a Cofrac document: "Inter-laboratory comparisons are used to assess the ability of laboratories to carry out tests competently....
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Proficiency testing
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Standards and norms
- Accuracy (trueness and precision) of results and measurement methods – Part 1: General principles and definitions - ISO 5725-1 - 2023
- Accuracy (trueness and precision) of results and measurement methods – Part 2: Basic method for determining the repeatability and reproducibility of a standardized measurement method - ISO 5725-2 - 2019
- Accuracy (trueness and precision) of results and measurement methods...
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