Easy data collection and management, you can have multiple users using the software. Safe for human subjects.

REDCap is user-friendly, and yet allows for highly complex projects. It is easy to customize, and yet powerful in terms of its many uses. REDCap also has features to assign specific roles to people, set up a calendar, and conduct spot checks fo quality assurance purposes. It is easy to download the data in a variety of formats which makes it easy to analyze in a variety of statistical enviornments (SAS, R, Python, SPSS, etc.)

The nice look of the interface for the user filling out the survey