HMNB Devonport a Cornish Pasty and which was once the nickname for a sailor born and bred in Devonport. The traditional shout of "Oggy Oggy Oggy" was used to cheer on the Devonport team in the Navy's field gun competition. Devonport has been the site of a number of leaks of nuclear waste associated with the nuclear submarines based there. "Up until 1832 the Plymouth Royal Dockyard, was administered by a Commissioner of the Dockyard on behalf of the Navy Board in London included:" By An Order in Council dated 27 June 1832 the role of the Commissioner was replaced by an
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