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Is a seminar based on student-created screen capture videos a meaningful way of learning?

We ran a problem-based seminar with screen capture videos. The students worked in small groups of two or  three students or they completed the coursework individually. In this seminar the students had a workspace in the Optima environment for publishing their coursework videos. At the final phase of the course the  students were expected to familiarize themselves with the presentations of other groups. In this paper we analyze the benefit of our problem-based coursework on the web by comparing the different phases of it. After each phase the students were expected to analyze the benefit of it for their learning.