The study of multimodality in communication has attracted the attention of researchers studying online multimodal environments such as virtual worlds. Specifically, 3D virtual worlds have especially attracted the interest of educators and academics due to the multiplicity of verbal channels, which are often comprised of text and voice channels, as…

Aviation English proficiency is a core competency in the global air traffic controller profession. There is, however, growing concern about the current ineffective paper-based assessment methods and the severe lack of interactive online testing for such a critical profession, one that should be ideally assessed in an authentic task and situation…