Sоnny, а high schооl junior, hаs а somewhat difficult time in school compared to his peers, particularly with abstract math problems and literary symbolism. He tries hard but still struggles with abstract concepts that other students pick up fairly easily. Sonny is a much better musician than his peers. He practices long hours to improve his singing, guitar playing, and songwriting. Sonny is very skilled at working with people; during playground basketball games, he serves as a referee and arbitrator. If we were asked to assess Sonny’s intelligence according to researchers’ and experts’ traditional conceptions of intelligence, which of the following is most valid?