0 showing the differences between things:
Only about 12.5% of those contexts contained comparative or contrastive information, regardless of the age of the person to whom utterances were addressed.
However, since the high-falling tone is for the most part no longer contrastive, this alternation is irrelevant to the phonologies of most speakers.
Historically, the central vowels were allophonic variants of front vowels, but subsequent developments have rendered the difference contrastive, so retraction is neutralising.
Here, the purpose was to evaluate one specific approach pertaining to the findings of contrastive analysis referred to as contrastive instruction.
The story becomes rather more complex when considering vowels that possess both contrastive phonation and contrastive tone.
These relations include causal, conditional, temporal, additive, elaborative, and contrastive relations.
But the variable realisation of creaky voice is not contrastive.
Most notable is contrastive stress, something that is just as structured and meaningful as conventional grammar.
