There are some benefits of IQ testing such as IQ testing can use for measuring of the success in school, IQ testing can use for predicting of future school success, job performance and life satisfaction, IQ testing can classify that the average IQ of people who have more prestigious jobs is higher than the average IQ of people in jobs with less prestige. The researchers also found that although there are high-IQ people in lower-prestige jobs, there are no people with low IQs in high-prestige job.