Foreword
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General principles
5 Guidelines for the statistical design of proficiency
testing schemes
6 Guidelines for the initial review of proficiency
testing items and results
7 Determination of the assigned value and its
standard uncertainty
8 Determination of criteria for evaluation of
performance
9 Calculation of performance statistics
10 Graphical methods for describing performance
scores
11 Design and analysis of qualitative proficiency testing
schemes (including nominal and ordinal properties)
Annex A (normative) - Symbols
Annex B (normative) - Homogeneity and stability of
proficiency test items
Annex C (normative) - Robust analysis
Annex D (informative) - Additional Guidance on Statistical
Procedures
Annex E (informative) - Illustrative Examples
Bibliography