Leaving infant to cry it out has been the subject of discussion among researchers and parents. Nevertheless, there is paucity of empirical research investigating the association between leaving infant to cry it out and consequent crying duration and frequency, mother–infant attachment and behavioural development.

中文翻译：

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父母在婴儿中使用“cry it out”：对 18 个月时的依恋和行为发展没有不利影响

让婴儿哭出来一直是研究人员和父母讨论的主题。然而，很少有实证研究调查让婴儿哭出来与随之而来的哭闹持续时间和频率、母婴依恋和行为发展之间的关系。