Some critics believe that when slang language becomes more commonplace it effectively eradicates the proper use of a certain language. However, other linguists believe that language is not static but ever-changing and that slang terms are valid words within a language's lexicon. While prescriptive linguists study and analyze the so-called "correct" ways to speak, according to a language's grammar and syntactical words, descriptive linguists tend to study language to further understand the subconscious rules of how individuals speak, which makes slang important in understanding such rules. Noam Chomsky, a founder of anthropological linguistic thought, challenged structural and prescriptive linguistics and began to study sounds and morphemes functionally, as well as their changes within a language over time. 
The move to individualization . Last, there has been an increasing focus upon targeting interventions at named individuals. Essentially a form of case management is seen as the dominant way of working. People are identified who are in need of intervention so that they may re-enter education, training or work. Individual action programmes are devised and implemented. Programmes are then assessed on whether these named individuals return to learning or enter work - rather than on any contribution made to the quality of civic life, personal flourishing or social relationships that arise out of the process.