Despite the demonstrated learning benefits of peer evaluation, fears of teachers about its low reliability may restrict its use. In this study, the validity of peer assessment, in terms of agreement with the ratings of the teacher, has been tested in an organic chemistry course. The students were organized into small groups and commissioned to…

The literature review indicates that the benefit of screencast as an instructional media has not clearly proved effective for all categories of students. This is due to the individual differences in processing the information. Inadequate screencast design will cause strain to students' cognitive process which might impede learning. This…