Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 General test conditions and requirements<br>6 Assessors<br> 6.1 Qualification<br> 6.2 Number of assessors<br>7 Procedure<br>8 Analysis and interpretation of results<br> 8.1 When testing for a difference<br> 8.2 When testing for similarity<br>9 Test report<br>10 Precision and bias<br>Annex A (normative) Tables<br>Annex B (informative) Examples<br>Bibliography