A local advertising company wanted to find out what radio station people listened to most often. So they asked various car washing companies to record what was listed as the first preset station on the radios of the cars they were servicing. This observation would be considered

Question

Quizplus · Accepted Answer

This observation is an unobtrusive measure because it involves collecting data without directly interacting with the subjects or influencing their behavior.

A Local Advertising Company Wanted to Find Out What Radio