Woolard, nlantarang indik "alih kode", utawi praktik sistemis anggen ngantosin   ngentosin variasi linguistik ring sakancan pabligbagan kantos a  kruna, manggihang pitaken ngenenin sane keajuang olih para antropolog indik praktik punika - napi mawinan Dane ngelaksanayang punika?- akehan nyihnayang ideologi linguistik.
Woolard, in her overview of "code switching", or the systematic practice of alternating linguistic varieties within a conversation or even a single utterance, finds the underlying question anthropologists ask of the practice—Why do they do that?—reflects a dominant linguistic ideology.