The phrase "small group interaction" refers to a situation where a small number of people are engaging in communication and activity together, typically within a social or work setting. Full definition
The conference supported participants» learning with essential readings on the central themes of the conference, keynote presentations, question - and - answer sessions with presenters, and small group interactions with colleagues. (cal.org)
(3) In nations where VCRs are not available in homes, the recorders do provide a technology for small group interaction. (religion-online.org)