Even if national and international assessments are designed to be comparable, subsequent psychometric analyses often reveal differential item functioning (DIF). Central to achieving comparability is to examine the presence of DIF, and if DIF is found, to investigate its sources to ensure differentially functioning items that do not lead to bias.…

Articles in this special issue present recent advances in using state-of-the-art software systems that gather data with which to examine and measure features of learning and particularly self-regulated learning (SRL). Despite important advances, there remain challenges. I examine key features of SRL and how they are measured using common tools. I…

This study examined planning processes and the acquisition of expert problem solving skills among individuals of different expertise on tasks of increasing complexity. Twelve French-speaking adult students of machining (novices) and 12 French-speaking teachers of machining (experts) in Quebec (Canada) were randomly assigned to a simple or complex…