Showing 1 - 2 of 2 Research Library Publications

Visualizing Hierarchical Score Inferences

Posted: | R.A. Feinberg, D.P Jurich

On the Cover. Educational Measurement: Issues and Practice, 38: 5-5

 

This informative graphic reports between‐individual information where a vertical line—with dashed lines on either side indicating an error band—spans three graphics allowing a student to easily see their score relative to four defined performance categories and, more notably, three relevant score distributions.

Category:Assessment-Oriented Research, Scoring

One Size Doesn’t Fit All: Using Factor Analysis to Gather Validity Evidence When Using Surveys in Your Research

Posted: | E. Knetka, C. Runyon, S. Eddy

CBE—Life Sciences Education Vol. 18, No. 1

 

This article briefly reviews the aspects of validity that researchers should consider when using surveys. It then focuses on factor analysis, a statistical method that can be used to collect an important type of validity evidence.

Category:Assessment-Oriented Research, Reliability/Validity