“…Option grids are gaining popularity but is there any evidence for their efficacy? When searching PubMed, entering the term 'option grid' brings up seven results (Elwyn et al, 2013;Fay, Grande, Donnelly, & Elwyn, 2016Greenhalgh, 2013Manford, 2014;Marrin et al, 2014;Seal, Kynaston, Elwyn, & Smith, 2013;Tsulukidze, Grande, & Gionfriddo, 2015). Three of these were anecdotal commentaries by a single author and one was a study protocol.…”