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Solano-Flores, Guillermo – Educational Measurement: Issues and Practice, 2021
This article proposes a Boolean approach to representing and analyzing interobserver agreement in dichotomous coding. Building on the notion that observations are samples of a universe of observations, it submits that coding can be viewed as a process in which observers sample pieces of evidence on constructs. It distinguishes between formal and…
Descriptors: Online Searching, Coding, Interrater Reliability, Evidence
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Solano-Flores, Guillermo; Wang, Chao; Shade, Chelsey – International Journal of Testing, 2016
We examined multimodality (the representation of information in multiple semiotic modes) in the context of international test comparisons. Using Program of International Student Assessment (PISA)-2009 data, we examined the correlation of the difficulty of science items and the complexity of their illustrations. We observed statistically…
Descriptors: Semiotics, Difficulty Level, Test Items, Science Tests