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Quality and Usability LabAlexander Manecke

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Alexander Manecke


Research Field:


Research Topics:

  • Connected Home
  • Home automation
  • Smart Meetering
Biography:Alexander Manecke joined Deutsche Telekom Laboratories in 2006 and currently he is working as a research assistant (Wissenschaftlicher Mitarbeiter) at the Quality and Usability Lab of Deutsche Telekom Laboratories, TU-Berlin. He studied computer science at Freie Universität Berlin and has received a diploma in computer science.Address:Quality and Usability LabDeutsche Telekom LaboratoriesTU BerlinWinterfeldstr. 21D-10787 Berlin, Germany
+49 30 8353 58536   E-Mail:


Effect of Questionnaire Order on Ratings of Perceived Quality and Experienced Affect
Zitatschlüssel antons2013a
Autor Antons, Jan-Niklas and Arndt, Sebastian and Schleicher, Robert
Buchtitel 4th International Workshop on Perceptual Quality of Systems (PQS 2013)
Seiten 11–13
Jahr 2013
ISBN 978-0470012352
Workshop Workshop
Ort Vienna, Austria
Adresse Baixas, France
Jahrgang 1
Nummer 1
Monat sep
Notiz Electronic/Online
Verlag ISCA
Serie PQS
Wie herausgegeben Full
Zusammenfassung The assessment of perceived quality and experienced affect of users towards different audio and speech quality levels using subjective rating methods is a common and valid approach. In case that researchers are interested in the subjective a) quality and b) affective rating, participants have to rate the stimuli on both scales. Even though subject should just rate only one of the scales to be not influenced by the questions asked in the other questionnaire, researchers in practice frequently present various scales in a sequence to subjects. This paper examines the effect of questionnaire order on perceived quality and experienced affect by comparing the ratings of two groups of subjects which filled in questionnaires in different orders after listening to the same set of stimuli. We showed that the order of sequence had a significant effect on perceived quality and experienced affect as e.g. the quality of stimuli was rated lower if the quality rating not occurred instantly after stimulus presentation. Thus we want to create awareness for these effects and presented first guidelines to overcome them.
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