Before developing a new product, an insurer contracted with Dace Research, an external vendor, to conduct focus groups with sales representatives and customer groups to assess their opinions of the new product idea. Dace specializes in conducting focus groups and does not offer a full range of marketing research services. This information indicates that Dace is the type of external vendor commonly known as a ________.
1) full-service marketing research firm
2) specialty line/limited-services research firm
3) social media monitoring firm
4) syndicated research firm