Led by Dr. Martin (Marty) Hill, VIP Research and Evaluation clients receive our full attention. We devote time to learning as much as we can about each client prior to beginning their project, and often, prior to presenting a proposal. By the time we are awarded a project, we typically have a comprehensive understanding of their organization, including their mission, core values, culture, and even have a general understanding of their competition or similar organizations in their field.

There are occasions in research where it becomes necessary to weight data in order to reduce as much bias as possible and to be able to generalize findings to a specific population. In telephone survey research, design weights are often employed to reduce bias correcting for differences in the probability of selection due to non-response and non-coverage errors. By taking into account the number of landline phones, the number of adults in each household, the number of available records, and the number of records selected within each geographic strata and density strata these errors can be drastically reduced.