| Sumario: | The article reports on sampling methods that can be used for ascertaining the nature of technical vocabularies in a precise manner. A vocabulary profile for the superior adult is desired which will encompass the range of his concepts in fields which are important and independent, and allow more adequate solutions of problems. Technical vocabularies may be described as having range and interrelations among other aspects. Further, separate measures of vocabulary must be secured in each independent field. Items must have a wide range of difficulty and they must be designed in such a way as to allow separate analysis of the elements. Items must be scaled with equivalent steps and each step must be well represented. Equal-appearing steps can be secured by using equal units of scaling, as by standard scores. Test items must not be affected by chance success and chance successes when present can be eliminated by subtracting a proportion of wrong answers if the number of items is big. Furthermore, test items must be influenced as little as possible by reasoning
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