Where were you at 8am two Tuesdays ago? If it’s a little tricky to recall, what if I presented you with a map with four location flags to choose from, each about 3-4 km apart, with one marking your actual location on that time and date? Are you confident that you’d pick the right one?
If you are confident, the good news from a new paper in Psychological Science is that you’re more likely to be right than if you’re not too sure. The bad news is that when a group of students in Melbourne, Australia was tested in this way, they picked the wrong location 36% of the time. The study shows that this type of memory is pretty fallible — and yet it’s the type, of course, that’s needed for a criminal alibi. Failures in recalling where you were have no doubt contributed to serious miscarriages of justice, write the researchers. Continue reading →