Did you find it harder to spot the odd letter out in the second grid than the first? Did it take you a little longer? If so, the reason is probably that you were distracted by the cartoon character on the right, even though it is, of course, utterly irrelevant to the task.
In fact, recent research conducted at University College London found that people who were easily distracted by the cartoon character in a similar task overall showed a higher level of symptoms associated with attention-deficit/hyperactivity disorder (ADHD), though none had been formally diagnosed with the disorder.
Fancy some more quizzes? Order Psy-Q by Ben Ambridge (Profile Books, £8.99) or £6.99 from bookshop.theguardian.com
