Quote:
Originally Posted by jbjb
The experimenters imposed different physical arrangements on the two groups, in that the iPads were held in a stand in a fixed position, at a fixed distance from the subject, and the subjects were not allowed to hold them, or adjust the position.
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Your criticism could easily be spun the other way.
Perhaps that made the iPad users more tired and sleep better.
Another criticism which could be offered is that most tablet readers hold their device closer than the specified 30 - 45 cm. This concerns could, if desired, be used to accuse the researchers of going easy on Apple. If it was me, I would have held it closer.
However, to accuse the researchers of being pro-Apple (even though the senior author acknowledged being an Apple consultant) would be mistaken as well. There were a bunch of decisions that needed to be made, and cherry-picking one that seem pro-Apple, or pro-LCD, or anti-Apple, or anti-LCD, misses the point.
A follow-up study giving the experimental subjects
more leeway, at least in bedtime, is planned.