Subjective Evaluation of Prototypes and Task Complexities for Mobile Phone Usability

Ince, İbrahim Furkan; Yengin, Ilker

doi:10.1007/978-3-319-09333-8_64

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“…Anchored tasks were used in voice quality studies and increases [6] as well as decreases [7] in listeners reliability were observed. In [8] the influence of simple and complex tasks on usability was investigated and a significant main effect of task complexity was found.…”

Section: Introductionmentioning

confidence: 99%

Asking costs little? The impact of tasks in video QoE studies on user behavior and user ratings

Sackl¹,

Seufert²,

Hoßfeld³

2013

4th International Workshop on Perceptual Quality of Systems (PQS 2013)

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Three crowdsourcing video QoE studies have been conducted to investigate the influence of tasks on user behavior and quality perception. Different dimensions of tasks have been applied to impaired video clips and their impact on task success, focus time, and QoE was measured. Our findings suggest that task presence or absence has no influence on the user. However, continuous tasks can improve the focus times of users, and hard tasks are suitable to filter unreliable participants.

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Section: Introductionmentioning

confidence: 99%