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QoE is traditionally evaluated by using short stimuli usually representingparts or single usage episodes. This opens the question on how the overallservice perception involving multiple} usage episodes can be evaluated---aquestion of high practical relevance to service operators. Despite initialresearch on this challenging aspect of multi-episodic perceived quality, thequestion of the underlying quality formation processes and its factors arestill to be discovered. We present a multi-episodic experiment of an Audio onDemand service over a usage period of 6~days with 93 participants. Our workdirectly extends prior work investigating the impact of time between usageepisodes. The results show similar effects---also the recency effect is notstatistically significant. In addition, we extend prediction of multi-episodicjudgments by accounting for the observed saturation.

Multi-episodic Perceived Quality of an Audio-on-Demand Service