Although your answer is unlikely to be precisely the same, the completed table of data requirements below should enable you to check you are on the right lines.

Research question/objective: To establish householders' opinions about children's book clubs Type of research: Predominantly descriptive, although wish to explain differences between householders Variable(s) required Detail in which data measured Very good idea, good Check measure- ment question included in questionnaire Investigative questions Do householders think that children's book clubs are a good or a bad idea? (opinion - this is because you are really asking how householders feel) What things do householders like most about children's book clubs? (opinion) Opinion about children's book clubs idea, neither a good nor a bad idea, bad idea, very bad idea What household- ers like about children's book clubs Get them to rank the following things (generated from earlier in-depth interviews): monthly magazine, lower prices, credit, choice, special offers, Would householders be in- terested in an all-ages book club? (behaviour) How much per year do households spend on chil- dren's books? (behaviour) Do households' responses differ depending on: Number of children? (at- tribute) Whether already members of a children's book club? (behaviour) shopping at home Interest in a book Interested, not club which was for both adults and children Amount spent on children's books by adults and children per year by household Number of interested, may be interested (Answers to the near- est ) 0 to 10, 11 to 20, 21 to 30, 31 to 50, 51 to 100, over 100 Actual number children aged under 16 yes, no Children's book club member