Proposes an alternative account of the child's learning of nouns and adjectives that relies on properties of the semantic categories to be learned and of the word-learning task itself. In five experiments, a simple connectionist network was trained to label input objects in particular contexts; the network learned categories resembling nouns…

This paper explains that today's teacher preparation programs must meet the needs of tomorrow's teachers. They must be practical, experiential, and effective, and must produce educators who practice personal reflection, ongoing professional development, and lifelong learning. The Professional Development School (PDS) model addresses these needs.…