Abstract: Since early 1980s’, legal social psychology research in America has got a lot of new fruits in many aspects such as the study of jury, testimony, public attitudes toward crime, and so on. From these new achievements we can summarize that in order to make the theory study accord with practical demands researchers in theses fields pay more attention to integrating the viewpoints and research angles of social psychology and jurisprudents.

Key words: legal social psychology, jury, mock jury research, testimony