The same L2 speaking performance may be analysed and evaluated in very different ways by different teachers or raters. We present a new, technology-assisted research design which opens up to investigation the trajectories of convergence and divergence between raters. We tracked and recorded what different raters noticed when, whilst grading a…

Rater subjectivity has long been an intriguing topic. The use of discussion as a resolution method is a practical way to reduce this subjectivity. However, the efficacy of discussion depends on whether different raters get equally engaged in it or one rater tends to dominate others. This study investigated whether and how rater dominance occurs in…

Threats to construct validity should be reduced to a minimum. If true, sources of bias, namely raters, items, tests as well as gender, age, race, language background, culture, and socio-economic status need to be spotted and removed. This study investigates raters' experience, language background, and the choice of essay prompt as potential…