Another question which Saffran et al. (1996) leave unanswered is whether the segmentation depends on local or global comparisons of predictability. Saffran et al. assume implicitly, and<cite> Brent (1999a)</cite> explicitly, that the proper comparison is local-in Brent, dependent solely on the adjacent pairs of segments. However, predictability measures for segmental bigrams (whether TP or MI) may be compared in any number of ways. One straightforward alternative to the local comparison is to compare the predictability measures compare to some global threshold.