a representative group of people questioned together about their opinions on political issues, consumer products, etc.
Why Are Singing Groups Called “Glee Clubs”?These infamously chipper singing groups are called glee because the melding of voices makes everyone happy, right? Actually, joy has little to do with it.
Origin of focus group
First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for focus group
If the CNN focus-group line is to be believed, viewers were disappointed that he pivoted back so soon.
Despite Clinton, did anyone really assume that the Obama campaign entered this fray without research and focus-group data?Does Barack Obama Need a Friend Like Bill Clinton?|Robert Shrum|June 11, 2012|DAILY BEAST
British Dictionary definitions for focus group
a group of people brought together to give their opinions on a particular issue or product, often for the purpose of market research
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012