Search results for author:"Brandon K. Vaughn"
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Better Quality in Assessments: Consideration of Contextual Effects on Item Bias and Differential Item Functioning
Journal on School Educational Technology Vol. 4, No. 2 (2008) pp. 29–39
This study considers the importance of contextual effects on the quality of assessments on item bias and differential item functioning (DIF) in measurement. Often, in educational studies, students are clustered in teachers or schools, and the...
Journal of Educational Technology Vol. 6, No. 2 (2009) pp. 50–62
In this paper, an interactive teaching approach to introduce the concept of sampling distributions using the statistical software program, R, is shown. One advantage of this approach is that the program R is freely available via the internet....
Improving Quality in Teaching Statistics Concepts Using Modern Visualization: The Design and Use of the Flash Application on Pocket PCs
Journal of Educational Technology Vol. 5, No. 4 (2009) pp. 53–60
The emergence of technology has led to numerous changes in mathematical and statistical teaching and learning which has improved the quality of instruction and teacher/student interactions. The teaching of statistics, for example, has shifted from...
The Design and Development of a User-Controlled Visual Aid for Improving Students' Understanding in Introductory Statistics
Journal on School Educational Technology Vol. 5, No. 1 (2009) pp. 36–44
The use of visual aids is expected to have a positive effect on students' learning. However, not all visual aids work equally well. A recent meta-analytic research which examined 42 studies has found that the use of animated visuals does not...
Applied Psychological Measurement Vol. 34, No. 6 (September 2010) pp. 424–437
This study examined the performance of the maximum Fisher's information, the maximum posterior weighted information, and the minimum expected posterior variance methods for selecting items in a computerized adaptive testing system when the items...
Computers & Education Vol. 56, No. 1 (January 2011) pp. 300–311
This study examined the impact of animation interactivity on novices’ learning of introductory statistics. The interactive animation program used in this study was created with Adobe Flash following Mayer’s multimedia design principles as well as...