標準號：DIN ISO 16820-2009
中文標準名稱：感官分析方法學.方法體系.序列分析(ISO 16820-2004)
英文標準名稱：Sensory analysis - Methodology - Sequential analysis (ISO 16820:2004)
標準類型：X04
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：X04
國際標準分類號：67.240
引用標準：ISO 5492
適用范圍：This International Standard describes a procedure for statistically analysing data from forced-choice sensorydiscrimination tests, such as the Triangle, Duo-Trio, 3-AFC, 2-AFC. in which after every trial of thediscrimination test the decision can be made to stop testing and declare a difference, to stop testing anddeclare no difference, or to continue testing.The sequential method often allows for a decision to be made after fewer trials of the discrimination test thanwould be required by conventional approaches that use predetermined numbers of assessments.The method is effective fora) determining that either a perceptible difference results, or a perceptible difference does not result when, for example, a change is made in ingredients, processing, packaging, handling or storage;b) or for selecting, training and monitoring assessors