Interesting – have seen a few people experimenting with on-screen marking – general consensus was took longer – but this article indicates actually starting to save time:
A simple, inexpensive technique allowing lecturers to record personalised video feedback while marking papers is being used to improve the student experience, and could be scaled up to help online learners.
Lecturers at Cardiff Metropolitan University are using screen-capture technology to give students the impression of being present during the marking process, allowing more targeted feedback to be given.
Using widely available computer recording programs, many of which are free, lecturers record themselves marking students’ papers, explaining where errors have been made and showing corrections. They then upload the footage to their university’s learning platform or email clips direct to students.
Read full article.