“…(Sheehan and Sheehan, 2008) The Sheehan Disability Scale (SDS) is one of the most extensively used and tested among the very limited disability measurement resources (Sheehan and Sheehan, 2008). Some researchers have validated its psychometric properties among patients with bipolar disorder, panic disorder, post-traumatic disorder, and other anxiety disorders (Leon et al, 1992;Placchi, 1997;Gonzalez et al, 1998;Neal et al, 2004;Arbuckle et al, 2009) as well as those with depressive disorders Erkens et al, 2008;Arbuckle et al, 2009).…”