$[$Ro$-$Jo$]$ Ro$-$Jo is in ATO's party planning committee and tasked with finding out why fewer sorority girls are showing up to their tailgates each year. With his limited resources, he decides he is going to do this by assembling $8-10$ girls from all the sororities and having them discuss the topic. Although he slightly guides the conversation, he lets them talk about whatever they feel is relevant. What type of marketing research is Ro$-$Jo using to gather his research?

Causal$-$ Experiment

Causal$-$ Depth Interview

Exploratory$-$Observation

Exploratory$-$Focus Group

Descriptive$-$Survey