Although a key concept in various writing textbooks, learning standards, and writing rubrics, voice remains a construct that is only loosely defined in the literature and impressionistically assessed in practice. Few attempts have been made to formally investigate whether and how the strength of an author's voice in written texts can be reliably…

Differential skill functioning (DSF) exists when examinees from different groups have different probabilities of successful performance in a certain subskill underlying the measured construct, given that they have the same ability on the overall construct. Using a DSF approach, this study examined the differences between two native language…