Existing Customers from In-House Lists

An excellent source of participant candidates is your own company's list of existing customers. If there is no formal list, explore other sources such as warranty card returns, various promotions to which customers have responded, or mailing lists. When contacting such customers, it is imperative, given that you are representing your company, that you make clear that there are no strings attached and there is no hidden agenda. That is, their participation is not a marketing strategy intended to eke out more sales but simply a means
to gather information about future products and improve them accordmgly You should say this in writing in the recruiting email, ment.oning that this research is not lied in any urn/ to a sales promotion.
Customer lists are a'great source of participants who are expenenced. you are running a study with both experienced end users and thosewhohave never used your product, then use the customer lists as a means of gathenng the experienced people.
NOTE  one note about using customer lists: Check with whoever owns thecustomer list to determine whether it is acceptable company pol.cy-to use customer list this way. Some companies decline to a.low usab, ty orr.her  researchers inside the company to use customer lists as a way to ontac customer-participants because the customers have not specially agree