A rasch model to test thecross-cultural validity in the positive and negative syndrome scale (PANSS)across six geo-cultural groups

摘要

BackgroundThe objective of this study was to examine the cross-cultural differences of the PANSS across six geo-cultural regions. The specific aims are (1) to examine measurement properties of the PANSS; and (2) to examine how each of the 30 items function across geo-cultural regions.