Use a search engine to discover coding schemes that already exist for ethnic group, family expenditure, industry group, socio-economic class and the like. To do this you will probably find it best to type the phrase ‘coding ethnic group’ into the search box. a Discuss how credible you think each coding scheme is with a friend. To come to an agreed answer pay particular attention to:

• the organisation (or person) that is responsible for the coding scheme;

• any explanations regarding the coding scheme’s design;

• use of the coding scheme to date.

b Widen your search to include coding schemes that may be of use for your research project. Make a note of the web address of any that are of interest.