Using test scores to evaluate teachers

http://www.usatoday.com/news/education/2007-02-13-effective-teachers_x.htm?csp=N009

Comment from Biglearning:
Please show me a profession where beating people over the head with threats of dire penalties for someone else’s work, while taking away their autonomy, has led to sustained performance improvements. No, it doesn’t matter – I still wouldn’t wish it on our teachers. Even the bad ones.