Most methods of personality scale construction have clear statistical disadvantages. A hybrid method (Darlington and Bishop, 1966) was found to increase scale validity more than any other method, with large item pools. A simple modification of the Darlington-Bishop method (algebraically and conceptually similar to ridge regression, but…

In an effort to minimize initial testing of adult students, a ten-item "Adult Reading Survey" was developed to measure self-perception as related to reading ability. Survey responses of 184 adult education students ranging in age from 15 to 68 were correlated to reading test results to determine levels of accuracy. Portions of two tests, the "Test…