1. A method for psychometric assessment testing, comprising the steps of: placing a plurality of inter-fitting parts before a subject; placing a menu of said parts before the subject; placing a ruler before the subject; providing oral cues according to script; placing a set of assembly instructions before the subject and instructing them to follow the instructions; instructing the subject to begin; timing the subject during assembly; assessing the subject's aptitude by assessing points for their actions, speed and success in assembly.