To predict a large population's likely response to something--a product, politician or policy--political consultants, marketing gurus and advertising execs have long favored the focus group. Ask a small segment of the target audience what it thinks about something, the formula goes. Tweak...
sourcelatimes.com - Los Angeles Times http://ift.tt/1lYuASZ
sourcelatimes.com - Los Angeles Times http://ift.tt/1lYuASZ
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