Authors can now obtain a cachet from the Board of Assessment and Testing (DTK) of the Federation of German Psychologists’ Associations (in German: Diagnostik- und Testkuratorium (DTK) der Föderation Deutscher Psychologenvereinigungen) for their ZIS documentation of measurement instruments measuring human experience and behavior and have it displayed in their ZIS documentation.
Details can be found at: https://zis.gesis.org/infotexte/HowToPublish.html