The Performance Review survives almost intact in most organizations despite the ever increasing rate of adoption of agile and lean techniques. Unfortunately attempts at motivating and engaging employees from such a mindset is more likely to cause damage. Help your coaching clients to understand the pain of the Mass Production mindset with an experiential simulation. And then see within the simulation how coaching can help adjust the process to use intrinsic motivation through more deep understanding of customer purpose.
http://submit2011.agilealliance.org/files/session_pdfs/Appraising Performance Appraisals.pdf