Good scientific practice
You can find the most important rules and guidelines for safeguarding research integrity and good scientific practice here:
From the German Research Foundation / Deutsche Forschungsgemeinschaft (DFG)
DFG Guidelines for Safeguarding Good Research Practice - Code of Conduct in English; DFG Leitlinien zur Sicherung guter wissenschaftlicher Praxis - Kodex in German
The portal https://wissenschaftliche-integritaet.de/en/ is a dynamic and growing resource of information related to research integrity in English, available since July 2021. Its main feature is a practically oriented, subject-specific commentary on the Code; the DFG secures quality assurance of all content.
https://wissenschaftliche-integritaet.de/ is the German version
From the University of Cologne
Leitlinien der Universität zu Köln zur guten wissenschaftlichen Praxis in German (Guidelines of the University of Cologne on Good Research Practice in English)
Guideline on the Handling of Research Data at the University of Cologne in English; Leitlinie zum Umgang mit Forschungsdaten an der Universität zu Köln in German
University of Cologne - Research Code of Conduct in English; Universität zu Köln - Research Code of Conduct in German
From other Institutions
Regulations for Safeguarding Good Research Practice at the University of Bonn in English
Ordnung zur Sicherung guter wissenschaftlicher Praxis an der Rheinischen Friedrich-Wilhelms-Universität Bonn in German
Statute on the Safeguarding of Good Academic Practice at TU Berlin in English
Grundsätze zur Sicherung guter wissenschaftlicher Praxis an der TU Berlin in German
On Statistics
Data Sets Are Foundational to Research. Why Don’t We Cite Them?
How scientists can stop fooling themselves over statistics
On avoiding Bullying, Dicrimination and Harrassment
Popp, A. L., C. A. Hall, and Y. A. Yılmaz (2020), How to combat bullying and discrimination in the geosciences, Eos, 101, https://doi.org/10.1029/2020EO151914. Published on 24 November 2020.
On how to write a poster
Gundogan, B., Koshy, K., Kurar, L. and K. Whitehurst (2016), How to make an academic poster, Annals of Medicine and Surgery, 11, Elsevier, http://dx.doi.org/10.1016/j.amsu.2016.09.001. Published on 04 September 2016.