This paper addresses questions of whether positively- and negatively-worded items measure the same construct and whether the rating scale categories "strongly agree" to "strongly disagree" are used in the same way for both types of items. Item response theory (IRT), specifically the Andrich Rating Scale Model (B. Wright and G.…

Analyzed examinee responses to conventional (multiple-choice) and innovative item formats in a computer-based testing program for item response theory (IRT) information with the three parameter and graded response models. Results for more than 3,000 adult examines for 2 tests show that the innovative item types in this study provided more…

To investigate the psychometric feasibility of replacing a paper-and-pencil licensing examination with a computer-administered test, a validity study was conducted. The computer-administered test (Cadm) was a common set of items for all test takers, distinct from computerized adaptive testing, in which test takers receive items appropriate to…

The usefulness of three item response theory-based methods and the Mantel Haenszel technique in evaluating the measurement equivalence of translated assessment instruments was demonstrated in a study involving 2,000 French-speaking Canadian adults who took a French test translation and 2,000 English-speaking adults who took the English original.…