Pertech : eye tracking, eye tracker design and user tests

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Pertech french version Pertech deutsche Verzion
Our services and benefits >> User test

Eye tracking tests to understand your users

Our surveys analyze the user behavior on all kind of interfaces 2D and 3D. It is then possible to study the interface of a web site, the ergonomic of the driver’s site or a cockpit.

Our hardware and software solutions enables also to test the ergonomic of a mobile phone interface, shelves in a shop, an advert, all that in a real or simulated environment.

The contents of a user test Pertech

Users tests are divided into two parts :

  • Eye tracking test
  • A questionnaire from which we collect additional information about the sensing of the net surfer studied.

The eye tracking test methodology from Pertech

  1. Preliminary stage
    Panel choice :
    In order to be pertinent, a study has to be based on an identified user panel.
    For this, the measuring stage involved a minimum of ten users whose selection’s of criteria will depend on the survey’s context.

    Choice of the instructions or screen play
    The survey is realized according precise instructions, coming from the sceen play set beforehand with the targets of the survey.

  2. Measuring stage
    Thanks to our “EyeTech” eye tracker, acquisition of ocular data is realized in the form of crude data and digital videos. 2 videos flux are recorded, one of them corresponding to the subjective view (video coming from the tracker’s scene camera) and the second corresponding to the contextual view. (screen cast video, only recording the interface studied, as well as the activity of the mouse, as part of the survey of the internet site)

  3. Analysis stage
    Helped by the EyeTechLab software and by the crude data collected during the measuring stage, a complete analyze based on two aspects (qualitative and quantitative) is made.
    • Qualitative analysis :
      • This phase of the study includes the verbalization and observation of the videos coming from the measuring stage. This analysis will allow to access information from real time reactions (ocular and verbal ones) of the internet users.
    • Quantitative analysis :
      This phase allows to characterize the visual information, by showing for each page studied :

      The chart of the survey identifying the sequences of interest
      • Visual focused areas
      • Identification of ocular fixing
      • Heat maps
      • Visual patterns and time spent on each area of interest

      It’s then possible to identify following metrics :
      • Time spent to reach possibly the target
      • Visualization’s rate of each interest area
      • Ocular pattern’s frequency (from any interest area to a targeted on)
      • Ocular pattern’s duration (from any interest area to a targeted on)

    The whole metrics will give some answers as for the ergonomic analysis of the research module, but also will go further and give first objective indications of the brand discernment and of the typical ocular courses.

  4. Results return stage
    A complete and detailed report including all videos (on a DVD format) is passed to the customer and explained during a takeover meeting.