While the globalized nature of contemporary society can be empowering for many, it may mean the maintenance of social iniquities for others, such as migrant populations. Spain, like many other European countries, has faced a high migration influx in the last decades. As a result, the government has invested in measures orientated toward social…

The author analyzes properties of mutual information between dichotomous concepts and test items. The properties generalize some common intuitions about item comparison, and provide principled foundations for designing item-selection heuristics for student assessment in computer-assisted educational systems. The proposed item-selection strategies…

Computer programs are presented to plot item and test characteristic curves and item information functions for parameter estimates produced by the LOGIST and BICAL computer programs. These programs provide data in tabular format, but their usefulness in test development and measurement courses can be greatly enhanced by graphic plots of the item…