Is it possible to increase a respondent’s involvement in a survey with a competition? We think it is. In a recent survey we asked participants to generate as many words as they could in 2 minutes from a list of 12 letters. The task was repeated three times, but on the third occasion participants were offered a prize of 500 Supermarket Loyalty Card points (worth £2.50 – yes, £2.50!) to the person who was able
