The instruments are broadly based on the same original instrument used to investigate small business websites. Factor analysis has been used to test and validate the instruments.

1. Breast Cancer Knowledge Online - Used to evaluate our information portal designed for women with breast cancer.

2. Evaluating small business websites - This instrument was used to explore usability issues with small business websites

3. Health Information Portals - Used to evaluate the effectiveness and usability of health portals distributing information to health consumers