If you would like to use the scale in your research, it is not necessary to ask for permission. You can freely use the scale without any cost.
The scale and all contents of this site are published under the CC BY 4.0 license. Therefore, you are free to use, adapt, and share the scale and its translations, even for commercial purposes. The only license condition: When republishing or adapting the scale or other content of this site, you must give appropriate credit, provide a link to the license, and indicate if changes were made.
If you are conducting a student research project and your teacher requires you to obtain usage consent from us, we hereby grant you explicit permission to use the scale in your research. Good luck with your project!