This phenomenographic study opens the classroom door to investigate teachers' experiences of students learning difficult computing topics. Three distinct themes are identified and analysed. "Why" do students succeed or fail to learn these concepts? "What" actions do teachers perceive will ameliorate the difficulties facing…

This issue is devoted to the curriculum guidelines from the Liberal Arts Computer Science Consortium. These guidelines provide a coherent and important model for computing education within a liberal arts context, giving primacy to critical reason, rigorous methods, and student engagement in the research process. In this regard, they are at the…