They aren’t independent samples though. They could all have gone on a downward spiral of disgruntlement at around the same time (on the order of months), and th

They aren’t independent samples though. They could all have gone on a downward spiral of disgruntlement at around the same time (on the order of months), and then once management finally got around to doing something about it, they started the termination processes at the same time (on the order of days).