However, others have argued that a better approach is to preserve information about the variance in the study sample, casting as wide a net as possible, and that methodological selection criteria introduce unwanted subjectivity, defeating the purpose of the approach.
Porén, outros analistas argumentaron que o mellor enfoque é o de preservar a información sobre a variación na mostra do estudo, abranguendo o máis que se poida, e que os criterios de selección introduzan subxectividade non desexada, anulando o propósito deste enfoque.