RADAR measurements are based on information collected throughout the year by means of diary interviews.

Question

Quizplus · Accepted Answer

RADAR measurements are indeed based on information collected throughout the year by means of diary interviews from a probability sample of 200,000 respondents age 12 and older who live in telephone households. The respondents are instructed to record all radio listening as well as the day of the week, time of day, and location for a one-week period.

RADAR Measurements Are Based on Information Collected Throughout the Year