The ultimate goal of physics education research (PER) is to develop a theoretical framework to understand and improve the learning process. In this journey of discovery, assessment serves as our headlamp and alpenstock. It sometimes detects signals in student mental structures, and sometimes presents the difference between expert understanding and…

This study investigated the intelligibility of Chinese graduate students to their Indian, Chinese, Korean, and American peers. Specifically, the researcher sought to determine the teaching priorities for English for Academic Purposes in the US, where listeners have a wide variety of native languages. Research on Second Language Acquisition…