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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Cognition. 2015 Apr 11;140:60–71. doi: 10.1016/j.cognition.2015.03.015

Figure 1.

Figure 1

Language familiarization and test materials. Top: Vocabulary for familiarization and test. a- and b-words are paired with different sets of X- and Y-words during familiarization and test. X- and Y-words are cued by syllable number (monosyllabic and disyllabic, respectively). Bottom: Examples of familiarization lists for Experiments 1, 2, and 3. For half the infants in Experiment 1, familiarization began with the mixed stream (50% aX bY,50% aY bX) and ended with the pure stream (100% aX bY or aY bX), as illustrated; for the other half of infants, vice versa. Streams were spoken by different female talkers (F1 and F2). In Experiments 2 and 3, both streams were spoken by the same female talker (F1 or F2). These experiments were identical except that streams were blocked in the former and interleaved in the latter.