Other Than the Obvious Convenience, Why Might a Researcher Choose

Other than the obvious convenience, why might a researcher choose to collect survey data on the Internet?

A) Online participants are less likely to develop response sets.
B) All procedures are automatically double-blind.
C) The transparency of research methods in Internet-mediated research reduces the risk of the placebo effect.
D) The greater sense of anonymity when using Internet-mediated surveys reduces the influence of the social-desirability bias.