Ever wonder why so many expert witnesses lead juries astray due to mathematical errors? Or why so many gamblers and investors are so bad at assessing relatively simple probability questions? First imagine that you consider yourself an expert (at something other than math), and then you encounter a question like this…
Imagine there’s a [...]

I recently stumbled across a very interesting web site. It asks you to answer twelve yes or no policy questions relevant to US voters. Questions range from “The federal government should be able to hold a suspected terrorist indefinitely without charging them with a crime (yes or no)” to “Same-sex marriage should be [...]

I’d been a bit worried that my Wednesday/Saturday class had deteriorated over the break for Spring Festival. It’s a pretty new class since it just opened in October. Also, quite a few kids in it were total beginners who didn’t even know the alphabet before starting. Since they can’t really practice spelling [...]