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Disclaimer Brain Rate is a self-knowledge estimate, not a clinical or diagnostic assessment. It is not administered or supervised by a licensed psychologist and it is not a substitute for the WAIS-IV, WISC-V, Stanford-Binet, or any supervised intelligence assessment. Results are reported as confidence intervals, never as a single number, because online unsupervised testing carries measurement error that a single figure hides. Do not use Brain Rate for employment, educational placement, immigration, legal, medical, or any other consequential decision. Brain Rate is not affiliated with, endorsed by, or accredited by Mensa, Pearson, any university, or any professional psychological body. Brain Rate is for ages 13+. We don't store any data you enter before that point.