Which of the following statement is correct about QR codes in surveys?

QR codes in surveys are commonly used to provide quick access to online resources, particularly by linking to websites. This is because QR codes are designed to connect users to locations on the internet when scanned with a mobile device. Their primary function is to facilitate instant access to web-based surveys, information pages, or other online content, making it convenient for respondents to engage without needing to manually enter URLs.

The other options present limitations or incorrect usages of QR codes. While QR codes can indeed be used in various contexts, their primary and most effective use in survey scenarios is to direct users to web content. This specificity in function is what makes them a popular choice for survey distribution and engagement.