Many recent articles, research papers, and conference presentations about Lev Vygotsky's zone of proximal development (ZPD) emphasize the "extended" version of the ZPD that reflects human emotions and desires. In this essay, Michael G. Levykh expands on the extant literature on the ZPD through developing several new ideas. First, he maintains that…

This paper indicates how, in the two areas of (1) habit and reason and (2) affective and cognitive, Kohlberg's theory of cognitive moral development may be expanded to include the conceptualizations necessary for any visable moral developmental theory. (MM)

The validity of Lawrence Kohlberg's empirical findings and of his cognitive developmental approach to understanding moral development is questioned. An alternative theory of moral development which emphasizes moral sensibility as well as reasoned moral judgment is proposed. (PP)

The infant's impressions of his environment are viewed by several philosophers, including Jean Piaget. There has been some past tendency to suppose that, prior to the acquisition of language, the infant has no real impressions about his environment. More recent understandings consider that the infant is capable of conceptualization and can express…