As computing becomes a mainstream discipline embedded in the school curriculum and
acts as an enabler for an increasing range of academic disciplines in higher education, the …

Diagnostic messages generated by compilers and interpreters such as syntax error
messages have been researched for over half of a century. Unfortunately, these messages …

Educational data mining and learning analytics promise better understanding of student
behavior and knowledge, as well as new information on the tacit factors that contribute to …

Online judges are systems designed for the reliable evaluation of algorithm source code
submitted by users, which is next compiled and tested in a homogeneous environment …

Teaching is the process of conveying knowledge and skills to learners. It involves preventing
misunderstandings or correcting misconceptions that learners have acquired. Thus, effective …

How students are assessed has a powerful effect on their strategies for studying and their
learning. When designing assessments, instructors should consider how different …

Programming assignments are a common form of assessment in introductory courses and
often require substantial work to complete. Students must therefore plan and manage their …

Blended courses that mix in-person instruction with online platforms are increasingly
common in secondary education. These platforms record a rich amount of data on students' …

The Blackbox project has been collecting programming activity data from users of BlueJ (a
novice-targeted Java development environment) for nearly five years. The resulting dataset …

In this paper we do three things. First, we describe a web-based coding tool that is open-
source, publicly available and provides formative feedback and assessment. Second, we …