Consent forms for research: Have they improved in 25 years?

ScienceDaily (2010-05-31) -- Consent forms that people sign before participating in research are widely considered difficult to understand and sometimes inaccurate. Lack of clarity was implicated in a high-profile legal settlement in April between Arizona State University and a Native American tribe, which claimed that blood samples that its members provided for genetic research were used for purposes not stated in the consent form. Efforts have been made to improve the forms, but how effective are they?