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Measuring the dynamics of user experience in short interaction sequences

In this paper we discuss the dynamics of user experience in short interaction sequences (SIS). By splitting up complex tasks into several smaller sub steps - and therefore transforming it into a SIS -- it allows identifying and measuring dynamic changes of specific UX factors throughout the task. This enables generating a more detailed view than by common approaches like pre and post task evaluation. Through a study we examined the factors pleasantness and arousal on the basis of a generic online shopping process. For validation, two different methods (Emocards, Sensual Evaluation Instrument) were used for measurement. Results show different dynamics of UX for each of the evaluated sub steps and we therefore conclude that singular UX measurement (at one point of time) or pre and post task evaluation is not sufficient for getting a full picture of UX.