Forgiven (Skillet song) Forgiven (Skillet song) Forgiven is the fourth single from Christian rock band Skillet's 2009 album "Awake", and is the ninth track on the album. The single was released to Christian CHR/Rock radio on August 2, 2010. The song received critical acclaim and was a moderate success. Although it reached number one on both Christian rock radio and CHR, Skillet has never performed it live. Lead Singer John Cooper said this about the song. 'I am really excited about this song, which is probably the most overtly Christian song on the album. I think “Forgiven” is a very hopeful song, and
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