After the data collection, about 10% of all respondents interviewed were re-contacted either by telephone or in person to verify that the interview had been carried out.
In addition, one member of the research staff contacted each subject daily by telephone, email, or in person to verify that the LSO was worn.
Every two to four weeks the researcher calls the contact person to verify if participants have left the service (and could be approached for a second or third interview) and to check if their contact information is still up to date.
You can also use the phone number to contact the person to verify their address.
For instance, if a person wanted to verify whether the right bar was larger than the left bar in the bottom graph of Fig. 1, they would need to compare the sizes of the bars and not the contrasts or spatial locations.
They just logged onto Election.com's web page and followed the directions, which asked for the PIN code and some personal information to verify the person's identity.
Signature and voice characteristics, facial features, and iris and fingerprint patterns have all been used to identify a person or just to verify that the person is who he/she claims to be.
A total of 5120 palm vein images from 256 persons are used to verify the validity of the proposed palm vein recognition approach.
The control persons were examined to verify the absence of hand symptoms.
YouGov found that 70% of those surveyed shared personal information online when signing up for sites and services, including name, address and date of birth, which are often considered part of the secret personal information used to verify a person's identity for banking and other secure services.
