Evaluating the experience of use of a squeezable interface

P. Marti, I. Iacono

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    4 Citations (Scopus)
    1 Downloads (Pure)

    Abstract

    The paper presents the user experience evaluation of Squeeze Me, an interactive cover for tablet and smartphone that enables continuous and expressive interaction with electronic devices. The cover has been used to implement ”Squeeze to zoom”, a mobile application to zoom in and out while taking a photograph from a tablet. The experience of use was evaluated in the short and medium term, comparing the Squeeze Me interaction modality with classic modalities for zooming in and out commonly available on tablets and smartphones. The evaluation process was conducted using AttrakDiff [3] a questionnaire that measures hedonic stimulation and identity, as well as pragmatic qualities and attractiveness of software products. Participants were asked to try out different interaction modalities for comparison in the short-term (67 people) and over 4 weeks (8 people). Results obtained in the short-term evaluation reveal that “Squeeze to zoom” was awarded higher values than the classic “Slide to zoom” in the hedonic quality-stimulation and attractiveness dimensions, whilst it obtained lower values in the pragmatic quality and hedonic quality-identity. However, the experience of use changed over time. During the longitudinal study, the usability of “Squeeze to zoom” improved whilst the attractiveness of “Slide to zoom” decreases significantly. Furthermore results reveal that “Squeeze to zoom” is significantly more appreciated for its hedonic qualities and the effect is maintained over time. This study highlights the importance of evaluating the experience of use over time, a practice that is almost ignored in the literature on Experience Design.
    Original languageEnglish
    Title of host publicationCHItaly 2015 Proceedings of the 11th Biannual Conference on Italian SIGCHI Chapter
    Place of PublicationNew York
    PublisherAssociation for Computing Machinery, Inc
    Pages42-49
    ISBN (Print)978-1-4503-3684-0
    DOIs
    Publication statusPublished - 2015
    Event11th Biannual Conference of the Italian SIGCHI Chapter (CHItaly 2015) - Rome, Italy
    Duration: 28 Sep 201530 Sep 2015
    Conference number: 11

    Conference

    Conference11th Biannual Conference of the Italian SIGCHI Chapter (CHItaly 2015)
    Abbreviated titleCHItaly 2015
    CountryItaly
    CityRome
    Period28/09/1530/09/15

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