DIN ISO 16820-2009 感官分析方法学.方法体系.序列分析(ISO 16820-2004)

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                   【英文标准名称】:     Sensory analysis - Methodology - Sequential analysis (ISO 16820:2004)            【原文标准名称】:     感官分析方法学.方法体系.序列分析(ISO 16820-2004)            【标准号】:     DIN ISO 16820-2009            【标准状态】:     现行            【国别】:     德国            【发布日期】:     2009-11    【实施或试行日期】: 【发布单位】: 德国标准化学会(DE-DIN)【起草单位】: 【标准类型】: ()【标准水平】: ()【中文主题词】: 农产品;分析;数据分析;定义(术语);差值;食品;方法学;方法;分析方法;感官分析;感官分析(食品);顺序的;统计方法分析;系统论;试验性能【英文主题词】: Agricultural products;Analysis;Data analysis;Definitions;Differences;Food products;Methodologies;Methods;Methods of analysis;Sensory analysis;Sensory analysis (food);Sequential;Statistical methods of analysis;Systemology;Test performance【摘要】: 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【中国标准分类号】: 【国际标准分类号】: 67_240【页数】: 13P.;A4【正文语种】: 德语