Durational effects of phrasal stress
In this chapter, I discuss experimental evidence for the stretches of speechwhose durations are affected by phrasal stress (also called the domain ofaccentual lengthening). This topic relates to Vincent van Heuven’s work onthe phonetic correlates of stress. I summarize two findings, namely (1) phrasalstress can affect the duration of multiple syllables, and (2) the durational effectsof phrasal stress can be influenced by constituent structure. I then discuss twointerpretations of these findings (1) that phrasal stress lengthens a continuousdomain, and (2) that it targets multiple sites, some of which appear to beoptional. I present evidence that supports the second interpretation, and end bydiscussing remaining problems and questions.