Twitter The importance of progress bars in online surveys https://t.co/UE12gmG7DV #onlinesurveys #mrx https://t.co/Nvfv2lSdSf The importance of progress bars in online surveys https://t.co/UE12gmG7DV #onlinesurveys #mrx https://t.co/Nvfv2lSdSf Apr 14, 2017 1 #onlinesurveys #mrx