Individual Differences and Task Behaviour

The Interactive Social Book Search track at CLEF has run the same experiment, task, and interface for two years. This provides an opportunity to study the individual differences between two separately recruited participant cohorts, rather than between sub-sets of a single cohort. Overall the results show no significant differences in how the participants used the three main stages of the interface for the two tasks. However, at the detail level there are some quite significant changes in exactly how participants use the available functionality