Beillat M, Brown TM, DiBenedetti DB, Naber D. Patient and caregiver perspectives on the Heinrichs-Carpenter Quality of Life Scale and the Subjective Well-being Under Neuroleptics-Short Form. J Psychiatry Psychiatric Disord. 2017 May;1(3):109-26.
Reed (Earnshaw) SJ, Reed JH. The use of statistical quality control charts in monitoring interviewers. Proceedings of the Survey Research Methods Section, American Statistical Association. 1997 Jan;893-8.