We're working on a version of the Ryff scales that would be easy to use for populations with low reading age, or non-native speakers of English, and that would be easy to translate. Let me know if that interests you
I have attached two pdfs of some work I did a few years ago.
(J-181) Doran, J., & Lewis, C.A. (2012). Components of shame and eating disturbance among clinical and non-clinical populations. European Eating Disorders Review, 20(4), 265-270. doi.org/10.1002/erv.1142
(J-177) Doran, J., & Lewis, C.A. (2011). Posting incognito ... males with eating problems: Online emotional expression and support. Journal of Cybertherapy & Rehabilitation, 4, 341-350. (ISSN 1784-9983).