Match the following.

List-I	List-II
a. Media research	1. Primary data
b. Marketing	2. Study of customers as a segment
c. Data of the RNI	3. A kind of material data
d. Market research	4. Study of broadcast audience

A. how consumers buy or shun particular products B. why consumers buy specific products and/or services C. what is the geographic and demographic profile of a targeted market niche D. all the above

A. Convenience and easy to use B. Highly representative of the population C. Highly representative of the strata D. All of the above

A. Comparative scale B. Monadic scale C. Non-Comparative scale D. Metric scale

A. Woodrow Wilson (1917) B. William Randolph Hearst (1898) C. The Payne Fund Studies (1929-32) D. Edgar Dale (Circa 1930)