“…In sum, GT-identified individuals who are successful do not differ from those who are labeled GT and are unsuccessful on the basis of capacity or talent, since both groups are generally chosen using the same instruments; rather, the differences are found in the former group's investment of time, in their commitment to getting the task done, in their persistence in the face of difficulties, and in their willingness to take on challenging tasks in the process of honing their skills and talents (Barron, 1963;Freehill & McDonald, 1981;Galton, 1869;Renzulli, 1978Renzulli, , 1986Sosniak, 1998;Walberg et al, 1981;Worrell, 2003).…”