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Website contact

Responsible for these pages according to §6 TDG / §6 MDStV

Prof. Dr. Manfred Rolfes  (member of the board)

DeGEval - Gesellschaft für Evaluation e.V.
Wilhelm-Theodor-Römheld-Straße 20
D - 55130 Mainz

Handy: +49 (0) 152 / 56123078

Tel.  +49 (0) 6131 / 2173887


Zuletzt geändert: 26. October 2020


1. Contents of our website
The authors do not assume any liability for timeliness, correctness, completeness or quality of the information provided. Liability claims against the authors due to material or immaterial damage caused by the use or disuse of the provided information and / or by the use of incorrect and incomplete information are generally excluded, unless the authors have acted with gross negligence or willful intent.
All offers are without engagement and subject to confirmation. The authors expressly reserve the right to modify, amend, delete or temporarily or permanently cease publication of parts of the pages or the entire content without further notice.

2. References and Links
A liability for direct or indirect references or links to other websites ("links") which are not within the authors responsibility will only occur if the author is aware of the contents and would be technically able and could reasonably be expected to prevent the use in case of unlawful contents.
The authors hereby expressly declare that at the time the link was set up, no unlawful contents were noticeable on the linked websites. The authors do not have any influence on the current and future design, contents or authorship of the linked websites. Therefore, they hereby dissociate themselves from all contents of linked websites which were modified after the link was set up. This statement is valid for all links and references set up on our website as well as for external entries in the authors’ guest books, discussion forums, link directories, mailing lists and all other forms of databases with access for external contributions. The provider of the linked website is exclusively liable for illegal, incorrect or incomplete contents and especially for damage resulting from the use or disuse of this information and not the person who merely makes a reference to this publication via a link.

3. Copyright and Trademark Law
The author make every effort to observe the copyrights of the used pictures, audio documents, video sequences and texts, to use pictures, audio documents, video sequences and texts they created or to use license-free pictures, audio documents, video sequences and texts.
All brands and trademarks mentioned on the website and possibly protected by third parties are subject without restriction to the provisions of the trademark law valid at that time and to the registered proprietor's right to possession. Merely a mention does not lead to the conclusion that brands are not protected by third party rights.
The copyright for published items created by the authors remains with the website's authors. Duplication or use of such pictures, audio documents, video sequences and texts in other electronic or printed publications is only allowed with the authors‘ express consent.

4. Data Protection
If there is an option to enter personal or business data (e-mail addresses, names, addresses) on the website, the user will disclose such information on a voluntary basis only. The use of and payment for all offered services is also permitted without giving such data or by giving anonymous data or a pseudonym respectively, insofar as this is technically possible and reasonable. The use of published contact data like addresses, phone and fax numbers as well as email addresses by third persons to send information that was not expressively requested is not allowed. The right to legal measures against the senders of so-called spam mail in contravention of this prohibition is explicitly reserved.

5. Legal Effectiveness of this Disclaimer
This disclaimer must be considered as a part of the website on which a reference is made to this page. Should parts or individual wordings of this text not or not fully correspond to the current legal situation or not correspond to the current legal situation any more, the contents and validity of the remaining parts of the document remain unaffected.

Zuletzt geändert: 11. August 2017