Paper vs. eCRF
There are specific advantages and disadvantages for each medium, that can be used for a study
| Advantages | Disadvantages | |
|---|---|---|
| Paper |
Easy data entry No training needed No computer expertise needed Low expenditure for programming Marketing effect due to presence at the doctor |
Printing & postage costs Delivery time Implausibilities lead to paper queries with additional running time |
| Electronic |
Directly checked for plausibility Less queries needed Study progress known Latest data available No training due to intuitive user guidance |
Higher expenditure for programming Selects doctors by digitization status |
| Hybride |
All advantages of paper studies All advantages of electronic studies Identical layout paper & eCRF No selection of doctors |
High overall expenditure |