Why might an internet based survey have a high probability of systematic bias ?

Question

Quizplus · Accepted Answer

An internet-based survey may have a high probability of systematic bias because some groups may not have access to the internet, resulting in underrepresentation or no representation of these groups in the survey results. This can cause a bias towards the opinions of those who have internet access, making the results not representative of the entire population. Choosing A or C would not be appropriate as they do not address the issue of systematic bias in internet-based surveys.

Why Might an Internet Based Survey Have a High Probability