When people are hired to record traffic patterns in a shopping mall, they are engaging in ___ research.
a. focus group
b. observation
c. experimental
d. survey sampling
e. sample framing
ANSWER: b
When people are hired to record traffic patterns in a shopping mall, they are engaging in ___ research.
a. focus group
b. observation
c. experimental
d. survey sampling
e. sample framing
ANSWER: b