Do you want to improve the validity of your survey-based performance measures? Upping the response rate is one of the ways to do that. Harvard Business Review posted this article about how attaching a hand-written personalised sticky note to each survey form you send to a recipient can double your response rate:

You depend on the quality of data and information to provide a stable foundation for your decision making. Decision making often involves responding to something, so you need your data to validly describe what you are responding to so that you choose the right responses. Whether your data is quantitative (based on numbers) or qualitative (based on perceptions), it's integrity depends on 5 wi...