Which of the Following Is a Disadvantage of Web-Based Surveys

Multiple Choice

Which of the following is a disadvantage of Web-based surveys?

A) The researchers lack control of the environment in which the respondents completes the surveys.
B) The lack of access to a large number of respondents leads to smaller samples.
C) Stigmatized sexual behavior cannot be studied.
D) Extraneous influences such as gender and ethnicity on the participants' responses lead to skewed results.