Skillet Glacier Skillet Glacier Skillet Glacier is in Grand Teton National Park, Wyoming, United States. The glacier is situated on the eastern cliffs of Mount Moran and is easily seen from Jackson Hole. The shape of the glacier led to the naming as the uppermost section of the glacier is long and narrow and then broadens abruptly more than halfway down the mountain into a larger area, giving it the shape of a skillet or frying pan. The glacier is one of twelve that remain in Grand Teton National Park and one of five glaciers located on Mount Moran. Mountain climbers consider
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