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A Finnish study, sponsored by a paper company and mentioned here earlier, compared the “Standard Usability Scale” scores of print, an iPAQ Pocket PC, a Tablet PC and a Nokia 7710 for e-book reading. Here are the results as summed up in eFinland:

Printed material performed best in the reading platform comparison, receiving an overall average SU score of 86.4 out of 100 with the highest individual score at 100 and the lowest at 67.5. Of the actual eBook reading devices, the highest overall score of 80.0 was obtained by the Rocket eBook. The lowest individual score of all was 45, given to the Tablet, followed closely by the regular computer at 47.5. Incidentally, with the exception of paper, the regular computer also scored highest at 97.5, probably because of its familiarity to users.

Tablet, although a standard computer and therefore probably initially more familiar to users than the iPAQ, received a significantly lower overall score. All in all, Tablet users were not as satisfied with their device as were the iPAQ users.

The Nokia 7710 scored quite well, but since only one user was able to use the smart phone, the result isn’t definitive. It is interesting to see that users were very happy with the Rocket eBook device, since there isn’t much variance in the ratings.

I’m not surprised that the Rocket eBook did well. It’s big enough to read comfortably on–but isn’t as bulky as a Tablet PC. Of course, the form-factor debate is a classic one within e-bookdom. My own approach at the personal level is to use a Cybook tablet at home and a Sony Clie PDA when I’m on the go.

I need to stop now for work-related deadline reasons, but may have more thoughts on this later on. Meanwhile, what are yours?

 
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