In the context of intelligence testing, one prominent debate concerns the nature of intelligence itself and how it should be measured. Various theorists have proposed different models of intelligence, including Spearman's general intelligence (g), Gardner's multiple intelligences, and Sternberg's triarchic theory. While some intelligence tests quantify cognitive abilities across a range of tasks, others focus on specific, domain-related skills. Which of the following statements best encapsulates a critical limitation of traditional intelligence testing methods?