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Selected AbstractsDichotic listening deficits in children with dyslexiaDYSLEXIA, Issue 1 2008Deborah W. Moncrieff Abstract Several auditory processing deficits have been reported in children with dyslexia. In order to assess for the presence of a binaural integration type of auditory processing deficit, dichotic listening tests with digits, words and consonant,vowel (CV) pairs were administered to two groups of right-handed 11-year-old children, one group diagnosed with developmental dyslexia and an age-matched control group. Dyslexic children performed more poorly than controls from their left ears when listening to digits and words and from their right ears when listening to CVs. Direction of ear advantage varied across individuals in both groups when tested with digits and CVs, but ear advantage was stable with words. Several factors that may have contributed to inconsistencies in direction of ear advantage are discussed. When the children were tested in a directed response mode, degree of ear advantage differed significantly between groups with both words and digits. More dyslexic than control children demonstrated clinically significant reductions in dichotic listening performance, but no uniform pattern of deficit emerged. Only the double correct score and the left ear score with CV pairs were predictive of word recognition performance in dyslexic children. Binaural integration deficits are present in some children with dyslexia. Auditory processing disorder assessment may help delineate factors that underlie or are associated with reading impairment in this population. Copyright © 2007 John Wiley & Sons, Ltd. [source] The Utility of Third International Mathematics and Science Study Scales in Predicting Students' State Examination PerformanceJOURNAL OF EDUCATIONAL MEASUREMENT, Issue 4 2004Nick Sofroniou To examine the predictive utility of three scales provided in the released database of the Third International Mathematics and Science Study (TIMSS) (international plausible values, standardized percent correct score, and national Rasch score), information was obtained on the performance in state examinations in mathematics and science in 1996 (2,969 Grade 8 students) and in 1997 (2,898 Grade 7 students) of students in the Republic of Ireland who had participated in TIMSS in 1995. Performance on TIMSS was related to later performance in the state examinations using normal and nonparametric maximum likelihood (NPML) random effects models. In every case, standardized percent correct scores were found to be the best predictors of later performance, followed by national Rasch scores, and lastly, by international plausible values. The estimates for normal mixing distributions are close to those estimated by the NPML approach, lending support to the validity of estimates. [source] The impact of laboratory characteristics on molecular detection of respiratory syncytial virus in a European multicentre quality control studyCLINICAL MICROBIOLOGY AND INFECTION, Issue 12 2008T. J. Meerhoff Abstract The performance of nucleic acid amplification techniques for detecting respiratory syncytial virus (RSV) was evaluated in 25 laboratories across Europe by an external quality assessment study. In addition, factors related to the diagnostic performance of laboratories were explored. The results of this quality control study show that the performance of laboratories for RSV diagnosis in Europe is good, with an overall correct score of 88%. The type of assay (nested or real-time PCR vs. commercial tests) was identified as a significant factor (OR 8.39; 95% CI 1.91,36.78) in predicting a correct result. [source] A longitudinal evaluation of medical student knowledge, skills and attitudes to alcohol and drugsADDICTION, Issue 6 2006Gavin Cape ABSTRACT Aim To examine the knowledge, skills and attitudes of medical students to alcohol and drugs as training progresses. Design A longitudinal, prospective, cohort-based design. Setting The four schools of medicine in New Zealand. Participants All second-year medical students (first year of pre-clinical medical health sciences) in New Zealand were administered a questionnaire which was repeated in the fourth (first year of significant clinical exposure) and then sixth years (final year). A response rate of 98% in the second year, 75% in the fourth year and 34% in the sixth year, with a total of 637 respondents (47.8% male) and an overall response rate of 68%. Questionnaire The questionnaire consisted of 43 questions assessing knowledge and skills,a mixture of true/false and scenario stem-based multiple-choice questions and 25 attitudinal questions scored on a Likert scale. Demographic questions included first language, ethnicity and personal consumption of alcohol and tobacco. Findings The competence (knowledge plus skills) correct scores increased from 23.4% at the second year to 53.6% at the fourth year to 71.8% at the sixth year, being better in those students who drank alcohol and whose first language was English (P < 0.002). As training progressed the student's perceptions of their role adequacy regarding the effectiveness of the management of illicit drug users diminished. For example, at second year 21% and at sixth year 51% of students felt least effective in helping patients to reduce illicit drug use. At the sixth year, 15% of sixthyear students regarded the self-prescription of psychoactive drugs as responsible practice. Conclusion Education on alcohol and drugs for students remains a crucial but underprovided part of the undergraduate medical curriculum. This research demonstrated that while positive teaching outcomes were apparent, further changes to medical student curricula need to be considered to address specific knowledge deficits and to increase the therapeutic commitment and professional safety of medical students to alcohol and drugs. [source] A Domain-level Approach to Describing Growth in AchievementJOURNAL OF EDUCATIONAL MEASUREMENT, Issue 1 2005E. Matthew Schulz Descriptions of growth in educational achievement often rely on the notion that higher-level students can do whatever lower-level students can do, plus at least one more thing. This article presents a method of supporting such descriptions using the data of a subject-area achievement test. Multiple content domains with an expected order of difficulty were defined within the Grade 8 National Assessment of Educational Progress (NAEP) in mathematics. Teachers were able to reliably classify items into the domains by content. Using expected percentage correct scores on the domains, it was possible to describe each achievement level boundary (Basic, Proficient, and Advanced) on the NAEP scale by patterns of skill that include both mastery and non-mastery, and to show that higher achievement levels are associated with mastery of more skills. We conclude that general achievement tests like NAEP can be used to provide criterion-referenced descriptions of growth in achievement as a sequential mastery of skills. [source] The Utility of Third International Mathematics and Science Study Scales in Predicting Students' State Examination PerformanceJOURNAL OF EDUCATIONAL MEASUREMENT, Issue 4 2004Nick Sofroniou To examine the predictive utility of three scales provided in the released database of the Third International Mathematics and Science Study (TIMSS) (international plausible values, standardized percent correct score, and national Rasch score), information was obtained on the performance in state examinations in mathematics and science in 1996 (2,969 Grade 8 students) and in 1997 (2,898 Grade 7 students) of students in the Republic of Ireland who had participated in TIMSS in 1995. Performance on TIMSS was related to later performance in the state examinations using normal and nonparametric maximum likelihood (NPML) random effects models. In every case, standardized percent correct scores were found to be the best predictors of later performance, followed by national Rasch scores, and lastly, by international plausible values. The estimates for normal mixing distributions are close to those estimated by the NPML approach, lending support to the validity of estimates. [source] Limiting Answer Review and Change on Computerized Adaptive Vocabulary Tests: Psychometric and Attitudinal ResultsJOURNAL OF EDUCATIONAL MEASUREMENT, Issue 1 2000Walter P. Vispoel Previous simulation studies of computerized adaptive tests (CATs) have revealed that the validity and precision of proficiency estimates can be maintained when review opportunities are limited to items within successive blocks. Our purpose in this study was to evaluate the effectiveness of CATs with such restricted review options in a live testing setting. Vocabulary CATs were compared under four conditions: (a) no item review allowed, (b) review allowed only within successive 5-item blocks, (c) review allowed only within successive lO-item blocks, and (d) review allowed only after answering all 40 items. Results revealed no trust-worthy differences among conditions in vocabulary proficiency estimates, measurement error, or testing time. Within each review condition, ability estimates and number correct scores increased slightly after review, more answers were changed from wrong to right than from right to wrong, most examinees who changed answers improved proficiency estimates by doing so, and nearly all examinees indicated that they had an adequate opportunity to review their previous answers. These results suggest that restricting review opportunities on CATs may provide a viable way to satisfy examinee desires, maintain validity and measurement precision, and keep testing time at acceptable levels. [source] |