Death tolls spur pro-war stance, study finds

Mounting casualities in America’s nearly 10-year-old wars in Iraq and Afghanistan might seem to serve as a catalyst for people to denounce the war and demand a way out. But a Washington University in St. Louis study into the psychology of “sunk-costs” finds that highlighting casualties before asking for opinions on these wars actually sways people toward a more pro-war attitude. This sunk-cost mindset may also expain why losers stay in the stock market.

Adult children in the dark about aging parents

So you think you know what your parents want? A psychologist at Washington University in St. Louis is conducting research that shows two adult siblings may have radically different views on what their parents would want. In fact, he says that a random stranger might have the same chance at guessing parental wishes as some children would.