Tagged: correlation

Paul Connett “updates” NZ MPs about fluoride - Open Parachute

Ken Perrott Feb 22, 2018

 Data from Bashash et al., (2017). Despite a statistically significant relationship of child IQ with mothers prenatal urinary fluoride, this explains only about 3% of the huge scatter in the data. I haven’t followed the latest speaking tour of Paul Connett – organised by the local Fluoride Free NZ organisation. But I watched a TV interview with him this … Read More

Anti-fluoridation campaigners often use statistical significance to confirm bias - Open Parachute

Ken Perrott Dec 06, 2017

Frankly, these days I just get turned off by media reports of studies showing statistically significant relationships as evidence for or against the latest health or other fads. I was pleased to read this Nature article – Five ways to fix statistics – recently as it mirrors my concern at the way statistical analysis is sometimes used to justify or confirm a bias and not … Read More

UFOs, climate change and missing airliners: how to separate fact from fiction - Guest Work

Guest Author Jun 20, 2016

By Michael J. I. Brown, Monash University If you’ve been on social media then perhaps you’ve seen the “Ancient Aliens” meme; a wild-haired alien aficionado Giorgio A. Tsoukalos attributing all manner of things to aliens. Giorgio A. Tsoukalos is a well known speculator about alien visitation to Earth. History Channel Attributing the pyramids to aliens is … Read More

Note to self – eat more chocolate - Kidney Punch

John Pickering Oct 17, 2012

Apparently the pinnacle of one’s scientific career is to win a Nobel Prize.  Having not won a Nobel yet I will just need to accept by faith that it would indeed be the pinnacle of my career.  Thanks to a brilliant article in the New England Journal of Medicine this week I now have a … Continue reading » … Read More