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Black, Maureen M.; Baqui, Abdullah H.; Zaman, K.; McNary, Scot W.; Le, Katherine; El Arifeen, Shams; Hamadani, Jena D.; Parveen, Monowara; Yunus, Md.; Black, Robert E. – Journal of Child Psychology and Psychiatry, 2007
Objective: To examine how maternal depressive symptoms are related to infant development among low-income infants in rural Bangladesh and to examine how the relationship is affected by maternal perceptions of infant irritability and observations of caregiving practices. Methods: Development was measured among 221 infants at 6 and 12 months with…
Descriptors: Mothers, Home Visits, Infants, Foreign Countries
Bayley, Nancy – 1966
This study attempted to find which factors determine the course of mental growth. The hypotheses were as follows: (1) early growth rates are rapid, chaotic, and uneven; (2) intellectual functions become more complex at age 2; (3) language is of overriding importance in intellectual growth; (4) more developed individuals have a longer infancy…
Descriptors: Cognitive Development, Environmental Influences, Factor Analysis, Genetics