Chimpanzees are better able to solve complex exercises when they are being watched by those familiar to them, such as researchers in an experiment, a recent Japan-based study has showed.The report by researchers at Kyoto University and Akita Prefectural University, published in U.S. science journal iScience, also said chimpanzees perform worse at simpler problems when watched by an audience.Although it is not well understood whether animals other than humans change behavior knowing others are watching -- known as the "audience effect" -- Shinya Yamamoto, a Kyoto University associate profess…READ FULL ARTICLE