diff --git a/journal/Readme.md b/journal/Readme.md
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--- a/journal/Readme.md
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@@ -20,3 +20,21 @@ Some important points to remember and consider later on:
 - Find the right note is crucial: necessary relevant tools use indexing to speed up search (eg. __docFetcher__)
 - GitLab is used for versioning of notes
 - [Markdown essentials](https://gitlab.inria.fr/learninglab/mooc-rr/mooc-rr-ressources/-/blob/00c0d630fea6a1d91fc0d3e6ea1632541c63e407/module1/ressources/introduction_to_markdown.org)
+
+# Module 2
+
+Strictness and transparency in research presentation is necessary for its reproducibility which is very important for a reputable scientific source.
+
+Etreme power and ease of computer-based methods' use leads to more common misuse and errors due.
+
+Reproducibility issues (in calculation, in data acquisition and representation...) can be addressed with:
+
+1. exclude as much as possible proprietary formats and software - use text formats.
+2. use open software and programming languages.
+3. replicate data over several locations.
+4. beware of spreadsheets and graphical tools.
+
+On data publication (=transparency):
+
+1. calculation errors: transparency leads to better cross-checking = help from other researchers.
+2. 
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