E. K. Strong's Legacy and Beyond: 70 Years of the Strong Interest Inventory

On the occasion of the 70th anniversary of the Strong Interest Inventory (1927–1997), this article reviews the history of this landmark inventory and the legacy of E. K. Strong, Jr.; specifically, his development of the inventorying method and use of criterion-related scale development. The recent trend of content-related scale development is also reviewed. Recent innovations in the Strong and future directions for predicting career behavior are discussed. Overall, the early empirical work conducted by Strong created a sound foundation for predicting vocational behavior and for later innovations in career assessment.