But this isn't the last huge potential issue here Remember when I mentioned the LINEAR regression that spat out all the positive results? Yeh, about that
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The variable that they were using this linear model to predict was a 0-20 numerical scale made up of integers (+1 for every 'yes' answer), likely clustered around low values This is not an ideal target for linear regression
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It's essentially an ordinal outcome - an ordered scale from 0-20 indicating autism risk - and without any transformations (which were not reported) it's unlikely that the linear model used was appropriate for this analysis
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It's also worth remembering that this study DIDN'T LOOK AT FORMAL AUTISM DIAGNOSIS Even the more clinically useful variable was yes/no on a relatively arbitrary scale of autism risk
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The only real take-home from this study is that the children of parents who report that they watch more TV/DVD may have a tiny increase in their risk of autism-like symptoms but who knows because the stats were a bit dodgy anyway
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TL:DR - study wasn't great - didn't show that screens cause autism - barely even showed an association - don't worry about screens and your kids too much, there's a pandemic on
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End of conversation
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