Autor/in Norbisrath, Ulrich 3 Singer, Georg Lewandowski, Dirk 2 Lewandowski, D. 1 Pruulmann-Vengerfeldt, P. 1
Impact of gender and age on performing search tasks online Singer, Georg Norbisrath, Ulrich Lewandowski, Dirk 2012 - ReposIt
Ordinary search engine users assessing difficulty, effort, and outcome for simple and complex search tasks Singer, Georg Norbisrath, Ulrich Lewandowski, Dirk 2012 - ReposIt
The relationship between internet user type and user performance when carrying out simple vs. complex search tasks Singer, Georg Pruulmann-Vengerfeldt, P. Norbisrath, Ulrich Lewandowski, D. 2012 - ReposIt