Hello everyone
I am planing for a study and wondered if the use of these instruments is copyrighted or not? They are:
- The Oldenburg Burnout Inventory Student Version
- Revised UCLA loneliness scale version 3
- Satisfaction with Life Scale (SWLS)
If any of them is copyrighted, please help by suggesting another one.
Thank you all
For the Satisfaction with Life Scale (SWLS), Prof Ed Diener's website states like this: "The scale is copyrighted but you are free to use it without permission or charge by all professionals (researchers and practitioners) as long as you give credit to the authors of the scale: Ed Diener, Robert A. Emmons, Randy J. Larsen and Sharon Griffin as noted in the 1985 article in the Journal of Personality Assessment."
http://labs.psychology.illinois.edu/~ediener/SWLS.html (last assessed 13th September 2018)
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