Skillet (album) 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 vocals, bass and piano, Trey McClurkin on drums and back-up vocals and Ken Steorts on guitar, back-up vocals and the guitar synth. Also a new video has been made for the song "Splinter" Skillet's self-titled album was the only album of theirs that they made multiple music videos for
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