Whispers in the Dark (Skillet song) been complimented at Skillet shows. It also includes lead singer and bassist John Cooper's popular trick of swinging his bass around himself and catching it again. Both videos have received play on Gospel Music Channel. Whispers in the Dark (Skillet song) "Whispers in the Dark", is a song by the Christian rock band Skillet, and it is the second single off their sixth album "Comatose". The song has achieved a large amount of popularity in both the mainstream and Christian radio. From the album's release to the Winterjam 2008 tour, the band opened their set with this song. For the
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