Intelligence tests are as a measure of motivation, revealed in a study conducted by University of Pennsylvania researchers. Getting a high score in an IQ test requires both intelligence and tendency to motivate the test-taker. Incentives were also found to increase IQ scores by a noticeable margin. For the findings, the researchers first analyzed previous studies of how material incentives affected the performance of more than 2,000 people in intelligence tests. They found that incentives increased all IQ scores, but particularly for those of individuals with lower baseline IQ scores. Then the researchers tested how motivation impacted on the results of IQ tests and also on predictions of intelligence and performance in later life. By using data from a long-term study of 250 boys from adolescence to early adulthood, they were able to conclude that some individuals try harder than others in conditions where the stakes are low. Therefore, the study said, "relying on IQ scores as a measure of intelligence may overestimate the predictive validity of intelligence." The study is published in Proceedings of the National Academy of Sciences.Source: ANI << BBC: Filming of Cancer Patient's Death Frailty Increases Through Aging >> Recommended Reading Brain Facts The brain is the most amazing and complex organ in this universe and has billions of nerve cells called as neurons. Medindia brings to you the top brain facts. READ MORE IQ Depends on Particular Regions of the Brain A study shows how the various factors that comprise an "intelligence quotient" (IQ) score depend on particular regions of the brain. READ MORE Children With Low IQ May Develop Psychiatric Disorders Later Researchers at Harvard School of Public Health (HSPH) found that children with lower IQs showed an increased risk of developing psychiatric disorders. READ MORE Good Looks Equate Intelligence? Researchers at the London School of Economics, led by Satoshi Kanazawa have come to the startling conclusion that good looks could mean greater intelligence. READ MORE Multitasking: Good or Bad for Your Brain? Is multitasking good when your brain frantically switches between tasks or does it slow down the brain processes causing changes in brain structure? Learn what happens to the brain when you multitask. READ MORE Most Popular on Medindia Sinopril (2mg) (Lacidipine) Noscaphene (Noscapine) Nutam (400mg) (Piracetam) More News on: Multitasking: Good or Bad for Your Brain?