What techniques do you use to gauge understanding from your students? How do you really know if they understand what you’ve taught? Obviously marking work is very informative, but wouldn’t it be better to have a clearer understanding as you're teaching? Whilst self-assessment methods such as thumbs up can be effective, they also suffer two main problems; peer pressure and the fact that students can be misguided in their level of understanding. Through the use of student response systems it is possible to gain a greater depth of understanding of how our students’ are really doing and what their next steps are. Now, with mobile devices becoming more commonplace in the classroom, it’s an ideal time to explore this technology. What is it? Until not too long ago, student response systems were limited, requiring expensive dedicated handsets that only allowed bas...