Advantage Research Services is a full-service marketing research firm with experience in consumer, business-to-business, health care, media, financial and technical research. Advantage Research s methodologies include focus groups, telephone interviews, taste tests, in-home product-use tests and mystery shoppers. It has offices in Detroit, Grand Rapids, Mich., and Fort Wayne, Ind. It also serves the Cincinnati and Columbus, Ohio markets. The company performs both quantitative and qualitative research nationally and internationally. It tailors a variety of data collections methods to client needs that can include audits, interviews, consumer recruiting, telephone surveys, focus groups, product testing and purchases, taste testing, product placement and media surveys.