Using and updating local norms

Using and updating local norms Ptwholopr ~n (he .S<hook I Y X O . 17, IYh-?01 USING AND UPDATING LOCAL NORMS STEPHEN N . ELLIOTT AND B U R K E H . BRETZING ’ Arizona State University The most useful kind of norms are local norms collected by a test interpreter on a population with which s/he is familiar. We present a rationale for the use of local norms and a procedure, illustrated with an example, for updating a norm group’s test score mean and variance. It was concluded that t