ISO 5495:2005 describes a procedure for determining whether there exists a perceptible sensory difference or a similarity between samples of two products concerning the intensity of a sensory attribute. This test is sometimes also referred to as a directional difference test or a 2-AFC test (Alternative Forced Choice).

ISO 5495 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 12, Sensory analysis. This third edition cancels and replaces the second edition (ISO 5495:1983), which has been technically revised.

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2025年3月12日 · 本国际标准描述了确定两种产品样品之间在感官属性强度方面是否存在可感知的感官差异或相似性的程序。 该测试有时也称为方向差异测试或 2-AFC 测试（替代强制选择）。 事实上，配对比较测试是两种方案之间的强制选择测试。 注：配对比较测试是现有的最简单的分类测试，因为它只涉及两个样本。 无论单一感官属性还是多个感官属性存在差异，该方法都适用，这意味着它能够确定给定属性是否存在可感知的差异，并指定差异的方向，但它没有给出任何信息 …

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1.

ISO 5495 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 12, Sensory analysis. This third edition cancels and replaces the second edition (ISO 5495:1983), which has been technically revised.

ISO 5495:2005 FDAM 1 Sensory analysis — Methodology — Paired comparison test AMENDMENT nalyse sensorielle — Méthodologie — Essai de comparaison par paires 1

2016年5月31日 · Sensory analysis - Methodology - Paired comparison test (ISO 5495:2005 + Cor 1:2006 + Amd 1:2016) (includes Amendment :2016) 感官分析.方法学.成对比较试验（ISO 5495-2005+Cor 1-2006+Amd 1-2016）（包括修订件:2016）

This second edition was submitted directly clause 6.11.2 of part 1 of the Directives for replaces the first edition (i.e. ISO 5495-1981), to the ISO the technical which had