Current procedures for equating number-correct scores using traditional item response theory (IRT) methods assume local independence. However, when tests are constructed using testlets, one concern is the violation of the local item independence assumption. The testlet response theory (TRT) model is one way to accommodate local item dependence.…

The Wisconsin Card Sorting Test (WCST) assesses executive and frontal lobe function and can be administered manually or by computer. Despite the widespread application of the 2 versions, the psychometric equivalence of their scores has rarely been evaluated and only a limited set of criteria has been considered. The present experimental study (N =…

The traditional way of equating the scores on a new test form X to those on an old form Y is equipercentile equating for a population of examinees. Because the population is likely to change between the two administrations, a popular approach is to equate for a "synthetic population." The authors of the articles in this issue of the…

This study, framed within sociocultural theory, examines the interaction of adult ESL test-takers in two tests of oral proficiency: one in which they interacted with an examiner (the individual format) and one in which they interacted with another student (the paired format). The data for the eight pairs in this study were drawn from a larger…

Gives an account of classical test theory that shows how it can be viewed as a mean and variance approximation to a general version of item response theory and then shows how this approach can give insight into predicting the true score of a test and the true scores of tests not necessarily parallel to the given test. (SLD)

Multiple choice questions that could logically provide two or more choices block the expression of judgment, thereby suppressing measurement of learning and failing to provide feedback to students and teachers. This study compares the effects of content identical multiple choice and multiple true false items on students' decision. (MT)

Personal construct psychologists have suggested various psychological functions explain differences in the stability of constructs. Among these functions are constellatory and loose construction. This paper argues that measurement error is a more parsimonious explanation of the differences in construct stability reported in these studies. (Author)

Discusses, for the benefit of research workers and other test users, the ongoing controversy concerning the relative merits of conventional test theory and Rasch scaling in the construction of reading tests. Concludes that a great deal of further research is required to see whether these approaches are educationally valid. (JD)

Thirteen ability tests were administered as defined within a mapping sentence containing four content facets: rule type, expression mode, language of communication and dimensionality of portrayed object. Smallest Space Analysis of intercorrelations among test scores showed the radex structure of the two-dimensional space conformed to the…

Administered the House-Tree-Person test to male college students (N=24) to examine the effects of varying the size of the drawing form on the scores. Results suggested that use of the drawing sheet did not have a significant influence upon the quantitative aspects of the drawing. (LLL)

Equating a new standard test to an old reference test is considered when samples for equating are not randomly selected from the target population of test takers, identifying two problems from equating from biased samples. An empirical example with data from the Armed Services Vocational Aptitude Battery illustrates the approach. (SLD)

Provides a brief, nontechnical overview of latent trait models and argues for the preferability of these models (particularly the Rasch logistic model) over classical test models. Offers an example application of the Rasch model and discusses implications for the use of latent trait models for communication educators. (AEW)

To study sex differences in test performance, the performance of males and females on 16 General Certificate of Education exams was analyzed in England. Results show that males perform better on objective tests than females. (Author/JJD)

A taxonomy of 43 rules for writing multiple-choice test items is presented, based on a consensus of 46 textbooks. These guidelines are presented as complete and authoritative, with solid consensus apparent for 33 of the rules. Four rules lack consensus, and 5 rules were cited fewer than 10 times. (SLD)

The effect of test length on predictive validity is examined empirically. For four tests, the curve of validity against test length had a very gentle slope for the longer tests and all tests could be reduced by more than 60 percent without appreciable decreases in validity. (Author/BW)