Tbe most distmcbve attribute of pabent parbcipabon
tbat emerged imxa. tbe hterature is tbat 'there is a relabonsbip
witb another' Indeed, tbe defimbons and uses of tbe
concept appear to demand tbat a relabonsbip exist as parbcipation
entails 'mvolvement, sbanng or mteracbon witb
otbers' (Hill 1971, McEwen et al 1983, Brownlea 1987,
Sinclair 1993)