Lastly, you might want to consider the trending of performance appraisals being eliminated by major companies.
Ten Good Reasons To Abolish Performance Reviews
How Will You Replace Your Annual Performance Review?
Why Eliminating Performance Reviews isn’t Just Another Trend
And, on the chance you may not have seen it, attached is a thoughtful article from the May/June 2017 Public Libraries journal: “Antifragile Management and the End of the Annual Performance Review.”