Interesting article in the National law Journal:  States Look for Ways to Gauge Judge Performance; Judicial Evaluation Programs Catching On, by Brittney Pescatore:

As public interest in judges’ professional performance grows, states’ use of judicial performance evaluations has been on the rise. States are increasingly institutionalizing the evaluation process, passing statutes requiring the formation of a judicial evaluation commission. …  Performance-evaluation programs measure criteria such as the professionalism of judges, how well they manage caseloads and the respect with which they treat people in the courtroom.