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post #7 of (permalink) Old 01-08-2017, 05:20 PM
Trail Talk
Headed for the Mountains
 
Join Date: May 2012
Location: Edmonton, Alberta, Canada.
Interest: Adventure travel
Posts: 332
Default The actual study

Here is the complete study http://journals.plos.org/plosone/art...l.pone.0167259. If you get through it all, you may find as I did that the broadcast was entirely misleading. The report itself is flawed; a statistical review of existing studies which under-represented motorized activity at only 26.3% of articles studied. I'm not a statistician but it seems a great many of the percentages don't support their conclusions once the confidence levels are applied. From the report; "non-motorized had greater negative effects (40.3 4.0% versus 34.0 8.6%)". So non-motorized negative effects could be anywhere from 36.3 to 44.3% while motorized negative effects could be from 25.4 to 42.6%, so in fact the results could just as likely be reversed?

Trail Talk
"Retired but not yet tired"
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