How to Design an Electronic Case Report Form (eCRF) The age of paper has passed Paper as a medium has three notable qualities which make it unique for collecting and sharing information. "Paper is flexible, mobile, and non-disruptive." (1) Flexible, because certain fields on a paper-based form can be skipped - if unwanted or irrelevant. Furthermore, it is easy to add freehand comments or drawings to support the data collection. Mobile, because paper can easily be folded, put into a pocket, or handed to another clinician. Paper is non-disruptive. It does not disturb the conversation between a data collector and his subject. It's also subtle to note down information. Paper can lie flat on a table, as opposed to a com

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