Rise (Skillet album) Rise (Skillet album) Rise is the eighth studio album by American Christian rock band Skillet. It was released on June 25, 2013. The deluxe edition includes three bonus tracks and a DVD entitled "Awake & Live DVD". It is the first album to feature guitarist Seth Morrison. The first single off the album, "Sick of It", was released on SoundCloud on April 8, 2013 and was released on iTunes on April 9, and was released to US rock radio on April 23. "American Noise" was released to iTunes on April 16 as the first promotional single. "Rise" was released as
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