Round robin test

In experimental methodology, a round robin test is an interlaboratory test (measurement, analysis, or experiment) performed independently several times.[1] This can involve multiple independent scientists performing the test with the use of the same method in different equipment, or a variety of methods and equipment. In reality it is often a combination of the two, for example if a sample is analysed, or one (or more) of its properties is measured by different laboratories using different methods, or even just by different units of equipment of identical construction.

A round robin program is a Measurement Systems Analysis technique which uses Analysis of Variance (ANOVA) random effects model to assess a measurement system.

Round robin tests regarding occupational safety and health

Companies are obliged to determine whether hazardous substances are in the air at the workplace by using appropriate measurements. To maintain the quality parameters for analytic procedures, the quality assurance methods are to be applied that are state-of-the-art. The Institute for Occupational Safety and Health of the German Social Accident Insurance (IFA) provides proficiency testing as support and assistance for the measuring stations worldwide for the purpose of self-examination and for the external presentation of quality standards. The PT schemes are conducted according to DIN EN ISO/IEC 17043 and DIN ISO 13528. The IFA organises the proficiency testing schemes in co-operation with the German association of environmental and OSH measurement bodies (BUA) and in collaboration with international partner institutes.[2]

Purpose

There are different reasons for performing a round robin test:

  • Determine the Reproducibility of a test method or process
  • Verification of a new method of analysis: If a new method of analysis has been developed, a round robin test involving proven methods would verify whether the new method produces results that agree with the established method
  • Standard Reference Material production: Interlaboratory testing can provide basis for certificates of quantitative analysis on a given material.

Further info

References
  1. PIERSON, RAYMOND H.; FAY, EDWARD A. (December 1959). "Guidelines for Interlaboratory Testing Programs". Analytical Chemistry. 31 (12): 25A–49A. doi:10.1021/ac60156a708.
  2. German Social Accident Insurance (DGUV): Proficiency testing at the IFA
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