In a study the researcher was investigating attitudes toward airlines among male middle managers. Each airline attribute, such as wide-body aircrafts, was probed (why do you like to travel in wide-body aircrafts?) to determine why it was important (I can get more work done) and then that reason was probed (I accomplish more), and so on (I feel good about myself). The depth interview techniques used in the study is called ________.
A) hidden issue questioning
B) symbolic analysis
C) laddering
D) none of the above
Answer: C) laddering