> 2. If you average over large populations, you can estimate population thresholds, marginalizing over monitor calibrations. This might be one case where it mi

> 2. If you average over large populations, you can estimate population thresholds, marginalizing over monitor calibrations. This might be one case where it might make sense to cluster between the reported operating system. At the moment I only have a family of Macs to test, but I can imagine that Windows users with their different default gamma get back different results.