Ip Address
Investigators are able to see how often the new participant took the questionnaire and you will if the new member meets geographic location eligibility (we.elizabeth., a study might only need to investigation residents of your own U.S.; Internet protocol address details do show the brand new participants’ geographic area). In the event that boffins discover an ip used by lots of people, otherwise an ip from the completely wrong geographic area, boffins normally identify people users and you can stop men and women Internet protocol address address contact information, hence blocking players of taking the investigation again. 53