What is the most reliable and most expensive method of surveying wage data?
A) Telephone interviews
B) Personal interviews
C) Mailed questionnaires
D) Controlled experimentation

Question

Quizplus · Accepted Answer

The three traditional methods of surveying wage data are personal interviews, telephone interviews, and mailed questionnaires. The most reliable and most expensive method is the personal interview.

What Is the Most Reliable and Most Expensive Method of Surveying