This article extends multivariate generalizability theory (MGT) to tests with different random-effects designs for each level of a fixed facet. There are numerous situations in which the design of a test and the resulting data structure are not definable by a single design. One example is mixed-format tests that are composed of multiple-choice and…

The ability to accurately detect performance errors is a fundamental skill for music educators and has been a popular topic of research within the field of music education. In fact, it has been suggested that roughly half of all ensemble rehearsals are dedicated to error detection. The purpose of this literature review was to synthesize the…