In quantum physics, whatever is observed is changed; therefore, it is all perception. Given those findings and to save Tiedeman from interpretation, in this article, he speaks for himself in 5 areas: (a) his professional credo, (b) the Harvard Studies in Career Development, (c) the 1983 Assembly to Advance Career, (d) statistics of vocational…

Tiedeman (1919-2004) designed the blueprint for equipping and building career construction theory. After making significant contributions to the statistical analysis of occupational behavior, he shifted to a constructivist epistemology for comprehending careers as the imposition of direction on vocational behavior. The cornerstones of his…

In 1987, 208 second graders were interviewed about their occupational aspirations and expectations, school likes and dislikes, educational plans, and other variables. They were reinterviewed every 2 years through senior year in high school. A 5-year post-high school follow-up was conducted, and 35 young adults (23 years old) from the original…