In the context of observational longitudinal studies, we explored the values of the number of participants and the number of repeated measurements that maximize the power to detect the hypothesized effect, given the total cost of the study. We considered two different models, one that assumes a transient effect of exposure and one that assumes a cumulative effect. Results were derived for a con...

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Whereas most research on usability focuses on known applications we explore the first encounters. Starting up new applications expectancy, impression management, initial dialogues and acquaintance, and ritualizing operations have to be handled. We present the research approach and document short histories of learning and fascination. Focussing on business users of mobile services we conducted d...

To appear in AIEDAM, Artificial Intelligence, Design, Analysis and Manufacturing, 21:2 (2007), pp. 123-136. Linguistic Support for Concept Selection Decisions J. Delin*, S. Sharoff, S. Lillford^, C. Barnes^ *Enterprise IG 11-33 St John St, London, EC1M 4PJ Centre for Translation Studies School of Modern Languages and Cultures University of Leeds Leeds, LS2 9JT ^School Of Mechanical Engineering ...

Testing the idea that the process of forgiveness is intrinsically different across diverse relationships, this study examined the role of forgiveness in different family relationships. In 2 laboratory sessions 1 year apart, 114 families (each including 2 parents and 1 child) completed a new measure of family forgiveness and many individual-level, relationship-level, and family-level variables t...

A significant amount of research has been undertaken exploring individuals’ images of a future. What often remains uninterrogated are the ways in which others’ respond to these images of a future, as they are articulated through narrative discourses. This paper, then, seeks to address this void through the presentation of research which considers the ways that teachers’ perceptions of "the futu...

The here presented and ongoing study addresses L2 fluency and hesitation phenomena in the context of speech effects in intercultural communication. It investigates the impact of fluency and hesitation phenomena on the perception of non-native speakers by native listeners of German. The first results underline the importance and salience of hesitation phenomena and fluency for speech effects and...

Friends of the Earth inspires solutions to environmental problems which make life better for people Friends of the Earth is: the UK's most influential, national, environmental campaigning organization The most effective environmental network in the world, with almost one million supporters across five continents and over 60 national organisations worldwide a unique network of campaigning local ...