These training studies have critical implications for education and career development. A 25-year longitudinal study with a U.S. representative sample (for a review, see Wai, Lubinski, Benbow, & Steiger, 2010) established the power of spatial skills in predicting achievement in science, technology, engineering, and mathematics (STEM). STEM areas of expertise have been repeatedly linked to long-term career success and are predicted to be especially critical in the next century (Wai et al., 2010).