Cronbach (1971) described validation as the process by which a test developed or test user collects evidence to support the types of inferences that are to be drawn from test scores. Nunnally and Bernstein (1994) say the term validity denotes the scientific utility of a measuring instrument, broadly statable in terms of how well it […]
arnold on Oct 17, 2008
Convergent validity – is the degree to which an operation is similar to (converges on) other operations that it theoretically should also be similar to. For instance, to show the convergent validity of a test of mathematics skills, the scores on the test can be correlated with scores on other tests that are also designed […]
arnold on Sep 16, 2008