The Many-Facet Rasch model is frequently used to analyse and minimize disparities in rater (judge) severity in performance evaluations, in which raters assign scores to test-takers' performances. In this research, the aim of the present study was to analyse science teacher candidates' laboratory activities by using the Many-facet Rasch model.…

This study examined the effect of rater training on promoting inter-rater reliability in oral language assessment. It also investigated whether rater training and the consideration of the examinees' expectations by the examiners have any effect on test-takers' perceptions of being fairly evaluated. To this end, four raters scored 31 Iranian…

This study examines measurement invariance of student perceptions of teaching quality collected in five countries: Indonesia (n students = 6,331), the Netherlands (n students = 6,738), South Africa (n students = 3,422), South Korea (n students = 6,997) and Spain (n students = 4,676). The administered questionnaire was the My Teacher Questionnaire…

We report here on a comparative study of middle school students' attitudes towards science involving three countries: England, Singapore and the U.S.A. Complete attitudinal data sets from TIMSS (Trends in International Mathematics and Science Study) 2011 were used, thus giving a very large sample size (N = 20,246), compared to other studies in the…

Many measurement biases affect student evaluations of instruction (SEIs). However, two have been relatively understudied: halo effects and ceiling/floor effects. This study examined these effects in two ways. To examine the halo effect, using a videotaped lecture, we manipulated specific teacher behaviors to be "good" or "bad"…

The purpose of this study was to determine which of three competing models will provide, reliable, interpretable, and responsive measures of elementary students' understanding of the nature of science (NOS). The Nature of Science Instrument-Elementary (NOSI-E), a 28-item Rasch-based instrument, was used to assess students' NOS…

This study investigated the effects of three aspects of language testing (test task, familiarity with an interviewer, and test method) on both tester and tested. Data were drawn from several previous studies by the researcher. Concerning test task, data were analyzed for the type of topic students wanted most to talk about or preferred not to talk…

Adult educators in the state of New Jersey have expressed concern about the adequacy of the 1978 General Educational Development (GED) test. Based on these concerns research was conducted in the use and applicability of the current GED test. The project investigated whether the existing GED test was meeting the needs of the large majority of GED…

The 1976 Educational Testing Service (ETS) Invitational Conference served as a platform for individuals who have been prominent in educational measurement and research to present their views on issues surrounding the testing controversy. The 1976 ETS "The Testing Scene: Chaos and Controversy," presents a historical review of events surrounding the…