Table 1.

Examples of what is heard in the various conditions of Experiment 1

	Preshift phase	Postshift phase
Single-talker conditions
Phonetic change	bug (male 1)	dug (male 1)
Talker change	bug (male 1)	bug (male 5)
Control	bug (female 4)	bug (female 4)
Multiple-lalker conditions
Phonetic change	bug (£3), bug (m5),bug(f4),	dug (f4), dug (m3),dug(f2),
	bug (m6), bug (fl), bug (m3),	dug (m6), dug (fl), dug (m4),
	bug(m5),bug(f2),bug(f5),…	dug (m5),dug(f6),dug(f2),
Talker change	bug (f4), bug (m3),bug(f2),	bug (f3), bug (m2),bug(f6),
	bug (m6), bug (fl), bug (m4),	bug (m5), bug (f5), bug (ml),
	bug (m4), bug (fl), bug (f4),…	bug (ml), bug (f6), bug (f5),
Control	bug (m2),bug(f3),bug(f6),	bug (m4),bug(f3),bug(f2),
	bug (m3), bug (ml), bug (f4),	bug (ml), bug (fl), bug (m4),
	bug(f5),bug(f6),bug(ml),…	bug (m3), bug (f5), bug (m2)