Skillet (band) was only together for a month when they received interest from major Christian record label ForeFront Records. In 1996 they released a self-titled debut "Skillet". It was well-received, and the trio continued to write new material as they toured the United States. The question behind the name of the band, 'Skillet', comes up often among fans and the band itself. John Cooper, the lead vocalist and founder, explains that the name was a joke at first. The two founding members had already been in different bands, with each band having a different sound and style to its music. Cooper tells
Differential item functioning Differential item functioning Differential item functioning (DIF) is a statistical characteristic of an item that shows the extent to which the item might be measuring different abilities for members of separate subgroups. Average item scores for subgroups having the same overall score on the test are compared to determine whether the item is measuring in essentially the same way for all subgroups. The presence of DIF requires review and judgment, and it does not necessarily indicate the presence of bias. DIF analysis provides an indication of unexpected behavior of items on a test. An item does not display DIF if