Lines of Research:
- Exploration of methodological issues in the field of psychometrics, with emphases on methods related to:
- rating scales;
- polytomous measurement models;
- rating quality indicators;
- Mokken scaling; and
- Rasch measurement theory.
- Application of psychometric methods (especially those included in Line 1) to substantive areas related to education.
Subject Area(s): Measurement and Evaluation
Skills and Expertise:
- Assessment
- Measurement
- Scale Development
- Quantitative Data Analysis
- Quantitative Methodology
- Research Methodology
- Data Analysis
- Psychometrics
- Educational Assessment
- Methodology
Area of Expertise:
Measurement and psychometrics
- Exploration of methodological issues in the field of psychometrics, with emphases on: (a) rating scales; (b) polytomous measurement models; (c) rating quality indicators; (d) Mokken scaling; and (e) Rasch measurement theory.
- Application of psychometric methods (especially those listed above) to substantive areas related to education.
Research Intrests:
- Raters and rating scales
- Nonparametric IRT
- Explanatory Rasch and IRT models.
Her primary research interests include the exploration of methodological issues in the field of educational measurement, with emphases on methods related to rater-mediated assessments, rating scales, latent trait models (i.e., Rasch models and item response theory models), and nonparametric item response theory, as well as applications of these methods to substantive areas related to education.
Her collaborative research activities also include a variety of scale development and validation projects, including scales to measure constructs related to affective variables (e.g., empathy, perceptions of instructional quality, perceptions of power dynamics), student achievement in a variety of domains (e.g., science, mathematics, writing), among others.
