A method for direct observation study of early peer-social and object directed behavior in humans was designed to articulate with techniques widely used in studies of social behavior of infra-human primates. Occurrence of behavior fitting the definitions of each of six categories of object behavior and nine categories of social behavior is noted…

Research programs of the human learning and behavior branch of the National Institute of Child Health and Human Development (NICHHD) are described in five sections of this document. The specific programs conducted in the areas of learning and cognitive development, development of communicative abilities, biological bases of behavioral development,…

The aim of this inquiry was to evaluate the existing literature on moral evaluation and development, to develop a model to clarify the concepts of moral judgement, development and commitment, and to specify their sources, structures, and interrelations. The purpose was to try to resolve whether these concepts are best understood from an…