Many paid survey panels offer rewards for referring your friends. Help your friends make money online and do paid surveys together. Another reason to refer a friend for paid surveys is because a lot of paid survey site have a set amount threshold that must be reached before you can make a withdrawal. If you are a few pounds away from reaching the withdrawal threshold you can refer a friend to bump you over the limit.
Swagbucks: The best part of this site is how easy it is to cash out. Save up your points if you want, or redeem for a $1, $3 or $5 Amazon Gift Card right away! Get paid $0.50 to $50 per survey, depending on how long it takes you, plus a $3 bonus for signing up. Swagbucks will also pay you to watch videos, try products, shop online, and even search the web. Go here to sign up.
IOCS is a not-for-profit research organization that conducts studies and experiments on shopping-related behavior – things like how we, as consumers, evaluate products, how we make the buying decisions, etc. Although the focus is mostly on shopping related behavior, some of their experiments and studies include broader areas of marketing, psychology, and economics.