Secondary means the re-use of identifiable information and identifiable biospecimens that are collected from some other “primary” or “initial” activity. In other words, data that were not collected ...

In the ever-evolving world of research, efficiency and cost-effectiveness are becoming just as important as accuracy and rigor. One powerful method that fulfills all these criteria is secondary data ...

Statistics Netherlands aims to make as much use as possible of data sources that have been collected by others (i.e. not by Statistics Netherlands). Secondary data collection is the process of ...