When acquiring a new skill, such as using a second language, learners who have high self-efficacy—who believe that they can complete the tasks necessary to achieve growth—are more likely to work hard to advance and overcome obstacles (Bandura, 1977). This poster presentation demonstrates how L2 self-efficacy can be measured, and promoted, in various learning contexts. To demonstrate, the presenter offers a Rasch-validated measurement of L2 English listening self-efficacy to visitors as a model.