http://www.sciencedaily.com/releases...0715131433.htm
"The desire to know what the future holds is a powerful motivator in everyday life"
"monkeys showed a strong preference for information about upcoming rewards and preferred to receive the information as soon as possible, even though the information had no effect on the final reward outcome"
I'd like to see a study where the information did have an effect on the reward.
How would you set up an experiment to test whether or not information about an upcoming reward is worth an exchange in the reward itself?