deletions | additions       diff --git a/layout.md b/layout.md  index 8684b8b..48b186b 100644  --- a/layout.md  +++ b/layout.md 
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Data_set_preparation__.md  Hypothesis_testing__.md  Discussion__1.md  Threats_to_validity__.md  Evaluation_of_results_and_implications__.md  Procedure__.md  Methods__.md