This is done by studying the studentâs responses to each item. When formalized, the procedure is called âitem analysisâ. It is a scientific way of improving the quality of tests and test items in an item bank. An item analysis provides three kinds of important information about the quality of test items. 1  Item difficulty: A measure of whether an item was too easy or too hard. 2  Item discrimination: A measure of whether an item discriminated between students who knew the material well and students who did not.
For example, Jewish kosher and Islamic Halal customs require gelatin from sources other than pigs, like cows and/or fish and from animals slaughtered ritually. Roma people are cautious of gelatin products that may have been made from horses, as their culture forbids the consumption of horses.n a commercial scale, gelatin is made from by-products of the meat and leather industry. Recently, fish by-products have also been considered because they eliminate some of the religious obstacles surrounding gelatin consumption. Gelatin is derived from pork skins, pork, horses, and cattle bones, or split cattle hides.
Based on this, oyster, oyster extract, shrimp, lobster and shark are all halal and permissible. According to the Maliki scholars, every living creature of the sea is halal except eel. (Ibid) Hence, oyster, oyster extract, shrimp, lobster and shark are halal and permissible.According to the Hanafi scholars, the only living creatures of the sea that are permissible are those that are in the form of a fish with an exception of the hagfish and eel. (Ibid). have read that other schools, shafii, maliki and hanbali are laxed on this particular issue where they regard most of the creatures of the ocean to be halal including fish. The view in Hanafi scholarship is very much restricted, so much so that Hanafi school of thought only allows fish to be consumed from the sea.