Low Incidence Telephone
 

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For a List Of Low Incidence Categories: CLICK HERE

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Our Low-Incidence Consumer Samples provide an easy and cost-effective way for researchers to identify narrow consumer subgroups. We make it our business to bring to the survey research community a large selection of targeted consumer segments, and to be constantly seeking out new categories and data sources as the need arises among our customers. For example, you may have the need to interview:

Internet Users

Do-It-Yourselfers

Occupational categories

. . . and so on.

Our low-incidence samples offer the advantages of targeting, proper sample selection, balanced geographic representation and rapid turnaround. Look though the list on the following pages and find the selection that matches your needs. If it is not included, give us a call and we will help you with an alternative sampling solution.

What Incidence Rate Will You Get?

Generally, you can expect to achieve an incidence rate on your selection criteria in the 40% - 60% range, though the actual percentage will depend on the specific selection and the survey particulars. Incidence rates will not be 100% due to the errors which typically are found in self-reported mail survey data and differences among respondents reporting within individual households.

When the true incidence in the population is very low, a 40% - 60% achievable incidence rate represents a substantial improvement in dialing efficiency and cost savings.

How Are Samples Created?

Samples are drawn from a national database of household information gathered via mail questionnaires. The questionnaires are distributed in two ways: via cooperative mail packages and product registration cards. File compilation is continuous as questionnaires are completed and returned. All parts of the country are represented and the responses are distributed generally according to population densities. In order to maximize response quantities, several million questionnaires are distributed each wave. The great advantage of this approach is that resulting response quantities are high, thereby uncovering the very low-incidence groups researchers often need.

Our low-incidence categories are based on actual survey responses provided by a household member and not on predictive techniques. Samples are additionally selectable by age, income, presence of children, age of children, gender and length of residence.

Are These True Probability Samples?

No. Like many mail surveys, they are self-selected samples of consumers who volunteered to respond to a detailed questionnaire which they receive by mail or to a product registration card. Often a response incentive is offered. However, because of the size, breadth and consistency of distribution, all parts of the country are well-represented.

What about bias?

Respondents included in these files skew somewhat older, more affluent and more female than general population. If desired, sample selections may be stratified by age, income or gender.




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