By Jess Dart
In situations where multiple factors, in addition to your research, are likely to have caused an observed policy or practice change, how can you measure your contribution? How can you be sure that the changes would not have happened anyway?
In making contribution claims there are three levels of rigour, each requiring more evaluation expertise and resourcing. These are summarised in the table below. The focus in this blog post is on the basic or minimum level of evaluation and specifically on the “what else test.”