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So I set out to get to the bottom of the evidence on how we respond to rational arguments. Does rationality lose out every time to irrational motivations? Or is there any hope to those of us who want to persuade because we have good arguments, not because we are handsome, or popular, or offer heavy clipboards.

Nice discussion of the data around contraception choices. Shortly after Donald Trump was elected president I started noticing an interesting trend on my social media newsfeeds. And no, I'm not talking about the near-constant bickering of people with differing political opinions. I started seeing post after post from friends publicly asking one another about their experiences with different forms of birth control. The motivation for these kinds of conversations centered around the pending rollback of copay-free contraception, but have since been re-kindled every time reproductive rights come up in the political arena. And it's not just talk. Many of these conversations centered around the use of long-term contraceptives like intra-uterine devices or IUDs which can protect against pregnancy for 3 - 12 years. In the months immediately following the 2016 election, AthenaHealth reported a 19% increase in IUD-related doctor's visits and Planned Parenthood reported a 900% increase in patients seeking IUDs. Cait, 27, recently switched to a copper IUD, and said that she made the switch due to convenience and "because now in light of our current administration I'd like to have something that will continue to work and be affordable even if I end up without health insurance."

In what feels like an increasingly polarised world, trying to convince the "other side" to see things differently often feels futile. Psychology has done a great job outlining some of the reasons why, including showing that, regardless of political leanings, most people are highly motivated to protect their existing views."Our results show why debates about controversial issues often seem so futile," the researchers said. "Our values can blind us to acknowledging the same logic in our opponent's arguments if the values underlying these arguments offend our own."

But because a machine learning model learns the boundaries of its world from its input data, just three people informed how any model using that dataset would interpret if 'childbirth' was emotional. This led to a perspective that has informed all of my work since: a dataset is a worldview. It encompasses the worldview of the people who scrape and collect the data, whether they're researchers, artists, or companies. It encompasses the worldview of the labelers, whether they labeled the data manually, unknowingly, or through a third party service like Mechanical Turk, which comes with its own demographic biases. It encompasses the worldview of the inherent taxonomies created by the organizers, which in many cases are corporations whose motives are directly incompatible with a high quality of life.

If you look at marathon times, you see most people run somewhere in the middle (4 hoursish), with a few under 3 hours (?!) and over 6 hours (very sensible). If you plot this data in a histogram, you can also see that there are spikes...people run just under 3, 3.5, 4, and 4.5 hours - you can see that people have a goal (of a nice round number) and the times are distributed accordingly.