Purpose of this paper is to identify several critical problems and areas of needed research on the measurement of creativity. The area is surveyed in three general categories: validity, reliability, and usability. (Authors/CB)

Although a great deal of attention has been devoted over a period of years to the estimation of reliability from item statistics, there are still gaps in the mathematical derivation of the Kuder-Richardson results. The main purpose of this paper is to fill some of these gaps, using language consistent with modern probability theory. (Author)

Study based on F. M. Lord's arguments in 1957 and 1959 that tests of the same length do have the same standard error of measurement. (CB)

Purpose of this study was to determine if children in the first grade could discriminate whether two paired chords were the same or different, could learn to associate a tone with a chord in four brief training sessions, and could improve more in harmonic discrimination when performing chords in the training sessions than when merely listening to…

This article shows that student grades based on the difference on scores from one test to another are statistically unreliable and unfair to the better students. (MM)

The relationship between the Slosson (1953) Intelligence Test (SIT) and the Wechsler (1949) Intelligence Scale for Children (WISC) was studied to provide information about the SIT's usefulness as a measure of intelligence, for placement purposes and for screening purposes. (NH)