If printed out in book format, and if we were locating to the page number and not the paragraph number, we would eliminate loads of these selections due to redundancy. This is of no real effect in our thinking, and simply serves to provide practice throughout the text. In order for readers unfamiliar with the exercises to see concrete examples of completed TSEs, following is a web page that lists various submissions, referencing the article in question. We felt that setting fairly strict time limits would contribute towards making these exercises both useful and practical to accomplish. While certainly a discretionary feature of participating, it remains an important measure of progress.
Time limits help people to focus their minds and proceed with business.
They make projects more appealing to busy people. The TSEs were designed to be brief, so that participation would be high. Additionally, practicing a skill at full-speed enhances fluency. This is a standard tenet of Precision Teaching. In theory, error rates will start high and reduce over time as fluency builds.