Skillet (album) show or if it was simply for the video shoot. It also features scenes of John crawling around in an outside scene, meant to be crying out for God. The "Saturn" video features the band wandering around a large telescope and laboratory, as well as playing on a rooftop. Skillet (album) Skillet is the self-titled debut release from the Christian rock band Skillet. Released in 1996 as an enhanced CD and audio cassette from ForeFront Records and Ardent Records, it showcases Christian lyrics with a grunge sound. Skillet was, at the time, a three-piece band composed of John Cooper on
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