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The OCS-R consists of a questionnaire, a manual, and an Excel file for analysis. The current version (1.52 as of October 2025) is available free of charge to all interested users. To conduct the digitally assisted analysis of the questionnaire, you need at least Excel 2010.

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Important notes

  • After downloading, extract the ZIP file by double-clicking on it. You will then receive an Excel file that can be opened normally.
  • If you experience problems downloading, printing, or using the OCS-R, please feel free to send us an email. We will respond as soon as possible.
  • The current version of the OCS-R is 1.52 (as of October 2025).
  • The functioning of the Excel file depends on your security settings. When opening the file for the first time, Excel may display a yellow banner indicating that the document originated from an online location. To use the analysis, you need to click on "Enable Editing".

Creative Commons License
The OCS-R is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.