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Nielsen Norman Group (NNG) Eye Tracking Methodology Document – Technical Questions And Queries Answered! September 3, 2009

Posted by Jon Ward in Uncategorized.

Just over a week or so ago Nielsen Norman Group published as a free download a 159 page document detailing eye tracking methodologies. This has been launched as a sampler or taster for the next upcoming book regarding the very same subject and at Acuity we respect the work of everyone at NNG and look forward to reading the book when it is released. However the document itself  raised a few questions about the capabilities of and stability of the eye tracking hardware and software. To this end I have written a (quite lengthy!) document to clarify these issues – some of which are due to the document being written around the older Tobii Clearview software and the 1750 eye tracker, other issues are down to possibly to not having a full understanding of (or indeed the opportunity to use) the new software, hardware and it’s functionality.

I have not addressed methodology questions, as that is not for us to do – there are plenty of you out there who have their own views and opinions on the value of eye tracking, how to best utilise it and the methodologies you prefer and employ – this is simply to ensure that there are no misunderstandings over the differences between the previous generation of the equipment and the current products. With many of the newer functions of Studio people may have not used them previously, maybe have not been trained on their capabilities or had time to actually sit and use them – something that as a Tobii reseller, and eye tracking solutions company, we have plenty of time to do!

Be warned – the document is 8 pages long and over 5,300 words – and to understand the points you will need a copy of the NNG report as well! The link is below – please feel free to spread this document or link and as always we welcome feedback and your comments. And if you are a Tobii user that would like some additional training to squeeze a little bit extra out of their tracker then please get in touch! We can create customised training for all levels of user!

And again just to ensure there is no misunderstandings – this is in no way any sort of a negative statement against NNG or their work, all we wish to do is to ensure that the technology side of the document is brought up to date with the latest advancements from Tobii.

Nielsen Norman Group Report Technical Response


1. Thomas F - September 3, 2009

The gratitude of every home in our Island, in our Empire, and indeed throughout the world, except in the abodes of the guilty, goes out to the [honorable men at Acuity] who, undaunted by odds, unwearied in their constant challenge and mortal danger, are turning the tide of the [eye tracking battle] by their prowess and by their devotion.

– We salute you!

2. Robertino Pereira - September 3, 2009


I have been waiting for this document since you started posting about it some days ago on twitter. 8 pages are pretty impressive!
Good job!

Jon Ward - September 4, 2009

Thanks Robertino, as a Tobii reseller our aim is to ensure everyone is fully aware of the hardware and softwares’ capabilities – many features of which even regular Tobii users may not be fully aware of. By sharing knowledge and best practice hopefully we can help everyone get a little bit more from their eyetracking experience.

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