Quote:
Originally Posted by j.p.s
A factor of 33 to 70 times brighter by 6 different illuminance measures is not a quibble.
The light levels should have been approximately matched, either by brightening the background or dimming the tablets.
They did not find anything they claimed to find. The best they can claim is that use of light emitting readers berfore bedtime [B}might[/B] result in the above. There is a big difference between does and might.
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This is what I mean. Quibbles about the parameters of this experiment. They ran the tests they wanted to run. They got a result. They can change the parameters in subsequent experiments. Or someone else can. There are certainly enough people who think they could do it better.-)