In-Depth Interview (IDI) to Gain Rich Data with Enhanced Insight 1 Jasper Colin 2020年9月22日 20:21 The in-depth interview (IDI) is a qualitative research method where intensive individual interviews are conducting to garner information from one respondent, either in person or over the telephone/Internet. いいなと思ったら応援しよう! チップで応援する #写真 #business #data #marketresearch #Survey 1