“…Despite this recognition, research until now has focused on the use and effectiveness of single interview skills (Beune, Giebels, & Sanders, in press; Bull & Soukara, in press), rather than some sort of combination. This seems a missed opportunity since there is growing evidence that social interactions are most effective when (two) behaviours are combined rather than using one behaviour exclusively (Carnevale & Pruitt, 1992;Hilty & Carnevale, 1993;Olekalns & Smith, 2000Olekalns & Weingart, 2008;Pruitt, 1981;Rafaeli & Sutton, 1991;Rubin & Brown, 1975). For instance, the combined communication of two distinct emotions (happiness and anger) by negotiators has been found to increase integrative, cooperative behaviour of their opponent (Pietroni, Van Kleef, De Dreu, & Pagliaro, 2008).…”