Skillet Glacier the Skillet Glacier route to be the fastest and one of the easiest ways to climb Mount Moran, and was the route taken when the peak was first climbed in 1922, though it is rarely used in late summer due to poor footing. On November 21, 1950, A DC-3 crashed into Mount Moran, adjacent to Skillet Glacier, killing all 21 passengers aboard. The remains of the passengers and the plane are still on the mountain. 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
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