This article extends Optimality Theoretic studies to the research on second language tone phonology. Specifically, this work analyses the acquisition of identical tone sequences in Mandarin Chinese by adult speakers of three non-tonal languages: English, Japanese and Korean. This study finds that the learners prefer not to use identical lexical…

A series of short (5 to 7 minutes long) geoscience videos were created to support student learning in a flipped class setting for an introductory geology class at North Carolina State University. Videos were made using a stylus, tablet, microphone, and video editing software. Essentially, we narrate a slide, sketch a diagram, or explain a figure…