This Research is Evaluate "the Concurrent validity of the new version of the Tehran-Stanford-Binet Intelligence Scale with the Wechsler Intelligence Scale for Children-Revised". The Main question is how and Value Correlation Between two Instrument? With Respect to Diagnostic validity from psychometric properties and Methodological Research, Variety of Statistical Model (Cut Point from Roc Curve, Critical Interval and Discrepancy Method) is Conduct. The Result is Agreeable Concurrent Validity (r=0.66) and 12 Point Difference between Scales.