Spam and privacy are both issues of concern related to
a) personal interview surveys.
b) telephone surveys.
c) shopping mall intercept interviews.
d) e-mail surveys.
e) online experimentation.
Answer: d) e-mail surveys.
a) personal interview surveys.
b) telephone surveys.
c) shopping mall intercept interviews.
d) e-mail surveys.
e) online experimentation.
Answer: d) e-mail surveys.