This report extends a previous cross-cultural study of synchrony in mother-infant vocal interactions (Bornstein et al., 2015) to immigrant samples. Immigrant dyads from three cultures of origin (Japan, South Korea, South America) living in the same culture of destination (the United States) were compared to nonmigrant dyads in those same cultures of origin and to nonmigrant European American dyads living in the same culture of destination (the United States). This article highlights an underutilized analysis to assess synchrony in mother-infant interaction and extends cross-cultural research on mother-infant vocal interaction. Timing of onsets and offsets of maternal speech to infants and infant nondistress vocalizations were coded separately from 50-min recorded naturalistic observations of mothers and infants. Odds ratios were computed to analyze synchrony in mother-infant vocal interactions. Synchrony was analyzed in three ways -- contingency of timed event sequences, mean differences in contingency by acculturation level and within dyads, and coordination of responsiveness within dyads. Immigrant mothers were contingently responsive to their infants’ vocalizations, but only Korean immigrant infants were contingently responsive to their mothers’ vocalizations. For the Japanese and South American comparisons, immigrant mothers were more contingently responsive than their infants (but not robustly so for South American immigrants). For the Korean comparison, mean differences in contingent responsiveness were found among acculturation groups (culture of origin, immigrant, culture of destination), but not between mothers and infants. Immigrant dyads’ mean levels of responsiveness did not differ. Immigrant mothers’ and infants’ levels of responsiveness were coordinated. Strengths and flexibility of the timed event sequential analytic approach to assessing synchrony in mother-infant interactions are discussed, particularly for culturally diverse samples.

本报告将先前关于母婴声音互动同步性的跨文化研究（Bornstein 等人，2015 年）扩展到移民样本。将生活在相同目的地文化（美国）中的来自三种起源文化（日本、韩国、南美）的移民对与处于相同起源文化中的非移民对和生活在相同文化中的非移民对欧洲美国人进行比较目的地（美国）。本文重点介绍了一项未充分利用的分析，以评估母婴互动的同步性，并扩展了对母婴声音互动的跨文化研究。母亲对婴儿说话和婴儿非痛苦发声的开始和偏移的时间与母亲和婴儿的 50 分钟记录自然观察分开编码。计算优势比以分析母婴声音互动的同步性。以三种方式分析同步性——定时事件序列的偶然性、不同文化程度和成对内部的偶然性平均差异以及成对内部响应性的协调。移民母亲对婴儿的声音有偶然的反应，但只有韩国移民婴儿对母亲的声音有偶然的反应。对于日本和南美的比较，移民母亲比他们的婴儿更偶然地做出反应（但南美移民并非如此）。对于韩国比较，在文化适应群体（原籍文化、移民文化、目的地文化）中发现了偶然反应的平均差异，但在母亲和婴儿之间没有。移民对的平均反应水平没有差异。移民母亲和婴儿的反应水平是协调的。讨论了用于评估母婴互动同步性的定时事件序列分析方法的优势和灵活性，特别是对于文化多样化的样本。