For teenagers, it can be hard for them to express what they think is trendy at a particular time, yet the teenager segment is a very important one for marketers. One of the best ways to discover what teenagers are interested in was by doing what?
Group of answer choices
a Quantitative research such as data mining
b Qualitative research such as ethnographies/observational research
c Qualitative research such as focus groups
d Quantitative research such as survey research