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Stanton - Lazarsfeld Program Analyzer
- System used by the Columbia Broadcasting System (CBS) to pre-test
the appeal of a new program with a randomly selected studio
audience.
Known also as "Little Annie," the SLPA gathers groups of
people in both Los Angeles and New York and invites them to screen
filmed materials.
Participants are escorted to a seat
equipped with knobs. If they enjoy what they see, they are
instructed to press the knob on the right hand of their chair; if
displeased they press the left arm of their chair. The results of
the viewing are analyzed and used to determine popularity of
programs, characters and products.
Created by Dr. Paul Felix. Lazarsfeld (1901-1976), the director of
Columbia University's Office of Radio Research, and Dr. Frank
Stanton (1938-2006), director of research for CBS, The Stanton-Lazarsfeld
Program Analyzer made its debut in 1942. It was first used by CBS to
track the responses of 100 listeners to a radio program, and later
adapted to television.
An historical summary of the
Stanton-Lazarsfeld Program Analyzer
can be found in the Journal of Communication, v32 n4 p30-38
Fall 1982.
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