“…Some studies used broad categories such as positive versus negative (Andrew et al, 2008; Close & Garety, 1998). Others have examined more specific content such as sexual (Gittleson & Dawson-Butterworth, 1967; Gittleson & Levine, 1966; Thompson et al, 2010), or content observed in auditory hallucinations (Honig et al, 1998). Studies often vary in the use of the same term, e.g.…”