Why Is Polling People by Internet Likely to Produce a Non-Random

question 62

Multiple Choice

Why is polling people by Internet likely to produce a non-random sample?

• A) not all people who are part of a prospective random sample own cell phones
• B) not all people who are part of a prospective own computers
• C) not all people who are part of a prospective random sample will answer open-ended questions
• D) not all people who are part of a prospective random sample have opinions on issues of interest to researchers
• E) not all people who are part of a prospective random sample have opinions on controversial issues