An Empirical Test of the Impact of Smartphones on Panel-based Online Data Col...

Online panel providers are confronted with an ever-increasing number of technical devices, operating systems and internet browsers with which panel members access the internet...在线调研面板提供商（Online panel providers）正面临着日益增多的技术设备、操作系统及互联网浏览器，调研面板成员正是通过这些载体接入互联网……