April 2016

Measurement scales for AIDS-related knowledge and stigma in South Africa: An evaluation using item response theory

AIDS-related knowledge and stigma are key issues in combatting the HIV/AIDS pandemic, primarily because of their relationship with HIV/AIDS testing behavior. Previous studies exploring these issues in southern Africa have employed the 11-item AIDS-related knowledge scale and the 9-item stigma scale, but there has been limited psychometric testing of these scales.  Using Item Response Theory (IRT), the two scales...

Author(s): Rajen Govender, Paul Bowen and Peter Edwards