Inc. in Chicago. Of the 50 original articles and short communications published in the first 4 issues of volume 23, 2014, three (9.4%) articles [3–5] did so. When referring to SPSS versions prior to the IBM acquisition, authors should cite ‘SPSS Statistics for Windows, version x.0 (SPSS Inc., Chicago, Ill., USA)’, but for versions beginning from 19, authors should cite ‘IBM SPSS Statistics for ...