Sigmund Tobias came to the United States in 1948, after his family had fled to China from the Holocaust in Europe. His Memoir ("Strange Haven: A Jewish Childhood in Wartime Shanghai") describes that part of his life. He settled in New York, where he completed his B.A. and M.S. in School Psychology from the City College of New York, and a…

In the past decade, virtual worlds have progressed from isolated sectors of the Internet, inhabited by computer and fantasy role-playing enthusiasts, to one of the fastest growing sectors in the gaming industry. In the process, they have established themselves as promising venues for the delivery of online instruction. Unfortunately, during that…

Reports on a pilot study that examined use by sixth-grade students in Costa Rica of a mathematical microworld written in LOGO. The investigation had three phases: (1) open exploration of the microworld; (2) group discussion and sharing of hypotheses; and (3) guided discovery and problem solving. (Contains 11 references.) (SLW)