Skillet (band) tour for the third time, making it their fourth appearance to date. Other bands that appeared on the 2018 Winter Jam tour include Kari Jobe, Cody Carnes, Building 429, Newsong, Jordan Feliz, and comedian John Crist, among others. In January 2018, Skillet announced they would be partnering with For King & Country to present the "joy. UNLEASHED" tour in April 2018, hitting a handful of mid-western and southern US cities. Current Former Current touring and session musicians Former touring and session musicians Timeline Skillet was recognized on February 1, 2016 as having recorded the biggest digital single in the history
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