A Critical Examination of the Construct Validity of the TTI Performance DNA™️ Survey for the Purpose of Differentiating the Entrepreneurially-Minded Engineer By Sandra L. Dietrich

This research examined the construct validity of the TTI survey and its ability to distinguish between engineers and entrepreneurially-minded engineers (EMEs). It is reasonable to conclude that time on the job does not affect behaviors, values and professional skills of engineers. Further, considering graduate degree attainment, only one professional skill is found to be significantly different: presenting. Therefore, graduate degree attainment does not affect behaviors, values and professional skills of engineers.

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