You've probably heard by now that some employers in the United States have come up with the idea of asking prospective employees for their Facebook passwords so they can take a closer look at what these candidates are all about. Is it legal? Is it ethical? Is it fair?
How do you measure turnover? Most people think they understand turnover. It is a simple and useful concept when it comes to understanding the flow of people through your organization. It is an important marker for determining overall organizational health and likely productivity impacts. If turnover is too high, your business stalls due to constant re-training; if turnover is too low, it can stagnate, leading to mediocre performance.
The most frequently used analogy when it comes to measuring HR is that of driving a car without a speedometer: how would you drive if you did not know your speed?
The deeper we look into HR measurement the less satisfying this analogy becomes. The basic premise that you need information to perform well is correct. However, when you have a speedometer and you are going too fast, your actions are obvious - you take your foot of the gas pedal.
This direct link between information and action is not the case for HR.