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Why does eye tracking on the Arabic version of my interface show an F-pattern only 50% of the time? I had assumed it would show a reversed F-pattern because Arabic people read right to left.

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The 'F' pattern is the tendency of the eyes to track from the top left of the page in a left to right reading culture. – PhillipW Mar 4 '13 at 11:01
Firstly, I assume 100% of participants were indeed Arabic readers, and not confused left-to-right readers? If so, is the layout of your right-to-left Arabic interface a mirror image of the left-to-right interface, in that the key elements (navigation etc) are also on the right? If not, focus is likely still drawn to the left. A screenshot would be useful. – Matt Obee Mar 4 '13 at 11:04
You could put that as an answer Matt - I'd agree with you on the influence of other navigational elements. – PhillipW Mar 4 '13 at 11:07
up vote 15 down vote accepted

Its going to be really hard to respond to this question unless we can see a screenshot of what your interface or site currently looks like. However here are some reasons as to why you are not getting a 100% right to left F shaped pattern for your site:

  • Your interface might not be totally right justified as explained by this article :

Our usability studies in countries that read right-to-left found the same general pattern of increased attention to a line's beginning. Obviously, in those languages, the beginning would be the right side of the text. Even so, we wouldn't necessarily find a mirror image of the above chart from eyetracking studies carried out on, say, Arabic or Hebrew sites.

The reason is that sites in right-to-left languages don't always employ a mirror image of traditional left-to-right layouts. See, for example, the following screenshots from the Dubai newspaper Emarat Al Youm and the Israeli newspaper Haaretz :

enter image description here

Emarat Al Youm is a true right-justified site. In contrast, Haaretz uses right-justified text, but still has a navigation bar to the left. So, an eyetracking study's results for Haaretz might be more complex than simply flipping the pattern we see on English-language sites.

Another interesting findings was that irrespective of the visual patterns or attention, visual attention of all thesubjects was directed to the image of Masjid-u-Nabawiwhich can be interpreted as attention influenced by the cultural impact of the object of interest on the users.

enter image description here

  • Another reason which is again mentioned in the above mentioned article is perhaps the influence of white space as mentioned below

Visual Patterns also showed how white spaces aided the users in reading the text with least hindrance of the multimedia content. Figure 8 clearly shows a smoothreading pattern within areas of content and longer sac-cades across white space that separates content areas without any distarctions in the reading

enter image description here

  • Another interesting thing which is called out in the article is that RTL languages dont exactly follow the standard F shaped reading pattern and often show a number of different reading patterns namely the Triangular and Zigzag pattern as shown below :

In a right-to-left layout, it was interesting to find z-shapedpatterns in which viewers start with text then examine themultimedia content at points in time in which the audio ac-companying the video or animation or video emphasizes apoint with tone. Other instances of switching between text and multimedia would be when animation is detected byfoveal vision of viewers. Patterns showing brief examina-tions of these areas are in line with the findings of [16] inwhich they have shown that viewers struggle to ignore inter-face elements that are animated and consequently exhibitincreased cognitive effort in concentrating on the text whichis exhibited by intense fixation.

Visual patterns of triangular shapes were observed across the eLearning interface. As shown in Figure 2 & 3the subject’s attention alternated between the navigation,text and multimedia

enter image description here

Another visual patterns found in the Arabic interfacesare zig-zag patterns. In this patterns, the reader startsfrom the right and continue to the left then a little downand back to the right before starting the another horizon-tal movement to the left again, which may be because of the difference in the direction of Arabic scripts. Figure 9 shows the zig-zag visual pattern observed in the advertising study

enter image description here

All of this said, Philips answer is also spot on since there might be a number of users who are not Right to left language users and hence might start their standard scanning pattern from left to right with a standard F shaped pattern.

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oooh - wow - cool answer! – Roger Attrill Mar 4 '13 at 14:21
Your answer was really helpful :) – Andy Mar 7 '13 at 14:27

The vast majority of websites are designed for left-to-right (LTR) languages, and so the layout of these is such that an F pattern is most common.

When websites localise for a right-to-left (RTL) language, they often only change the text areas, and not the layout of the entire site.

The result is that even people that read in a RTL language (such as Arabic or Hebrew), many of the sites they are used to, re-enforce a F pattern due to their LTR origins.

In addition, many RTL language speakers also spend a fair amount of time reading sites in other LTR languages (such as French or English), and this re-enforces the F pattern even more.

TL;DR: There is a difference between the direction of the language and the direction of the design, and people often become used to the design direction regardless of the language direction.

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It could be you've got some people in the sample who can read English and therefore spend a fair amount of time starting Top Left.

You could check this by going back to them (possibly) and asking them if they can read English

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