Data collection include: traditional and modern data acquisition mode of data acquisition mode

 In the traditional way of data collection, CATI access the system began to appear not only in terms of the role of data collection, it can also provide a powerful direct marketing services

Collection:

Type of data collection interviews (home, appointments, stopped to visit, etc.)
Call Center (CATI) data collection
Mail / Telephone / Fax types of data collection
Qualitative type of information gathering (FGD, face to face interview)
Other types of information collection

Compared with traditional data collection, modern data collection methods reflected a more intelligent, and can achieve a more large-scale low-cost data acquisition

Electronic data capture (EDC)
Online data collection