many speakers of "ceceo" and "seseo" dialects in spain show sociolinguistic variation in usage. in some cases, this variation may arise when a "ceceo" or "seseo" speaker more or less consciously attempts to use "distinción" in response to sociolinguistic pressure (hypercorrection). however, as, for instance, in the case of the variation between the standard velar nasal and alveolar pronunciation of the nasal in "-ing" in english ("walking" versus "walkin), the switching may be entirely unconscious. it is perhaps evidence of the saliency of three-way "ceceo-seseo-distinción" variation that inconsistent use has elicited evaluative comments by some traditional spanish dialectologists. for instance, discussed it as "sporadic or chaotic switching [between and ] and the use of intermediate sounds impossible to determine with precision". proposes the synonymous terms ceseo and seceo"' to refer to these "mixed" patterns, and notes surprise at a speaker who produced all four possible pronunciations of "zaragoza" within the space of a few minutes. in fact, sociolinguistic variation is typically highly structured in terms of how often each variant will appear given various social and linguistic independent variables. the spanish spoken by the inhabitants of the canary islands is exclusively seseante, but exclusive seseo is quite rare in mainland spain – even in areas, such as seville, listed as being majority seseante.