An Assessment of How Well the Federal Criminal Justice System Is Achieving the Goals of Sentencing Reform
http://www.ussc.gov/15_year/15year.htm
"This study is a comprehensive review of the research literature and sentencing data to assess how well the guidelines have achieved the goals for sentencing reform established by Congress in the Sentencing Reform Act of 1984. These goals include increased certainty and transparency of sentences, increased severity of sentences for certain types of serious crimes, and reduced sentencing disparity, including racial and ethnic disparity"