作者: Hedwig H.C. Van De Rijt-Plooij , Frans X. Plooij
DOI: 10.1080/02646839208403946
关键词: Transition (fiction) 、 Crying 、 Psychology 、 Direct observation 、 Food intake 、 Developmental psychology
摘要: The purpose of this study is to answer the following questions. First, do normal human infants go through periods of disorganization/regression, how are they expressed, and at …