OLIVER C. S. TZENG is a professor of psychology at Indiana University-
Purdue University at Indianapolis. He is also director of the Osgood Laboratory
for Cross-Cultural Research, director of the Graduate Applied Social Psychology
program, executive director of the Consortium of Child Abuse and Neglect
Resources and Information Services, and director of the Multidisciplinary Gradu-
ate Training Program on Child Abuse and Neglect. Tzeng has developed many
theories and models for research, training, and service programs and has written
over 100 scientific articles, books, and training manuals. His most recently
published books include: Sourcebook for Child Abuse and Neglect; AIDS: Incur-
able Disease with Curable Epidemics (in Chinese); Love's I-Ching and Vectors:
Conspiracy, Conflict, Resolution, Harmony and Fraternity (in Chinese); and
Language, Meaning and Culture (Praeger, 1990), which he coedited with Pro-
fessor Charles E. Osgood.

JAY W. JACKSON is a research associate of the Osgood Laboratory for Cross-
Cultural Research. As assistant director of the Osgood Laboratory, he has made
significant contributions to various research projects involving topics such as the
etiology and prevention of child maltreatment; interethnic hostility; interpersonal
aggression; family conflict resolution; methodological frameworks for theory
construction and evaluation; and prevention of and intervention in child abuse
and neglect.

HENRY C. KARLSON, a professor of law at Indiana University School of Law,
is chairman of the faculty advisory committee of the Multidisciplinary Graduate
Training Program on child maltreatment at Indiana University--Purdue Univer-
sity at Indianapolis. He offered the first law course in Indiana dealing with child
abuse and neglect and has been active in legal educational programs relating to
that topic. With his interest in and knowledge of comparative law and history at
the intercultural and international levels, Professor Karlson has made significant
contributions to evaluation of child abuse and neglect issues from legal and
historical perspectives.