In the article it states, “First, employees ended up "gaming" the program, showing up on time only when they were eligible for the award and, in some cases, calling in sick rather than reporting late. Most interestingly, workers were 50 percent more likely to have an unplanned "single absence" after the award was implemented, suggesting that employees who would otherwise have arrived to work tardy on a certain day might instead either call in sick to avoid disqualification or else simply stay home because they would be disqualified from the award regardless”.
Therefore, this is an example of positive and negative bias. The article demonstrates that