Audimeter see people meter. Audit is a data collection process based on counting physical objects, such as records or inventory. Average is a general term that is used to represent or summarise the relevant features of a set of values. The arithmetic mean is often used as a measure of average, but the median and the mode can also be used to summarise a set of values. Average Opportunities to See see frequency.
Awareness is a measure of respondents' knowledge of an object or an idea.