The following PDF includes an English translation of the scale. Please note that only the German items have been tested and validated. Furthermore, the items concerning the data protection law refer to the German law. If you are planning to use the scale in other national contexts, be aware that these items may have to be adapted.
If you want to use OPLIS, you are free to use it without permission as long as you give credit to the authors of the scale. Please cite the following article: