This GitHub Gist contains a package of files pertaining to the raw data created for the user study The Impact of Result Diversification on Search Behaviour and Performance by David Maxwell (d.maxwell.1@research.gla.ac.uk), Leif Azzopardi (leif.azzopardi@strath.ac.uk) and Yashar Moshfeghi (yashar.moshfeghi@strath.ac.uk). The article was published in the Information Retrieval Journal.
Using the TREC 2005 Robust Track (and TREC AQUAINT newswire collection), the study reported examined how user behaviour and performance varied when subjects used either a diversified (or not) retrieval systems while performing either an ad-hoc or aspectual retrieval task. While existing data available for the collection used was sufficient for the ad-hoc retrieval task, data to the best of our knowledge were not available for the aspectu