Which of the Following Statements Is True of Nonrandom Sampling

Multiple Choice

Which of the following statements is true of nonrandom sampling and Internet research?

A) Proper recruitment for Internet studies leads to a narrower sample of participants.
B) The problems of Internet-based research are starkly different from the problems of traditional research.
C) Proper participant recruitment techniques are analogous to recruiting participants.
D) The participants of Internet-based research are nonvolunteers who are obliged to fill out questionnaires.