EN ISO 11136:2017

European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Preliminary considerations
5 The consumer sample
6 Size of the consumer sample
7 Test area
8 Products
9 Procedures
10 Organization of test sessions
11 Analysis of the results
12 Study report
Annex A (informative) - Example of a recruitment
        questionnaire
Annex B (informative) - Methods for evaluating the
        data of segmentation subgroups
Annex C (informative) - Plans for assigning products
        to consumers
Annex D (informative) - Influence of the sample size
        on the accuracy of one mean
Annex E (informative) - Minimum sample size for
        tests using rating
Annex F (informative) - Minimum sample size for
        tests using ranking
Annex G (informative) - Examples of data analysis
        for ratings
Annex H (informative) - Examples of data analysis
        for rankings
Bibliography

ISO 11136:2014 describes approaches for measuring, within a controlled area, the degree to which consumers like or relatively like products.It uses tests based on collecting consumers' responses to questions, generally on paper or via a keyboard or a touch screen. Tests of a behavioural nature (such as recording quantities consumed ad libitum by the consumers) do not fall within the scope of ISO 11136:2014.