Portfolios have gained great popularity as a method of process-oriented writing assessment in the last 20 years. Despite the apparent advantages, as with other new methods of assessment, they still raise many controversies, particularly those regarding the validity of their contents and assessment. This article describes the first stages in the…

Writing research has long attempted to define and assess coherence in written prose; however the researchers have often ignored or inadequately met the needs of writing students who require a simple definition of coherence that they can use to revise their own prose. One exception is Joseph Williams, author of "Style: Ten Lessons in Clarity…