the achievement gap discourse initiated with two primary modes in american educational studies: achievement gap among races, and gap among socioeconomic status (ses). "the gap discourse" does not typically extend across generations or other forms of demographics that have been studied, and further study of achievement gap among different dimensions faces the initial stigmatization as a result of the gap discourse in various studies around the turn of the 21st century, pin-headed by the 30-million-word gap. among critics are many linguists, anthropologists, and social discipline specialists, as well as organizations such as the linguistic society of america.