Not all research data is electronic. Data can be collected in many formats. For all types of data, you will need to think about how you will preserve the data and control who can access the data - both during and after your research activity. This may affect how you collect the data. For example, you may need to get consent from research participants.
NYU Health Sciences Library, (2014) How to avoid a data management nightmare. YouTube viewed 22/09/2015