Each dot in the following graph represents a single content resource produced using the Book module from the same course - EDC3100. The book resources are organised by semester of course offering. Ranging from S2, 2012 through to S2, 2015.
Other pages show similar data for all courses that used the Book and for a set of "unusual" courses.
The y-axis represents the percentage of students enrolled in the course for which the book resource was produced, that read each of the chapters (pages) in the resource. This means they either visited each chapter in the resource, or they printed out the resource (the assumption being that they then read each chapter).
Roll your mouse over the box plots to see the relevant numbers.
From the graph the following can be seen:
Not surprisingly since they are integrated into the teaching model and from 2013 reading all of the books contributed a small percentage to a student's final result.
This in turn raises questions (still to be answered) about the impact (and thus value) of this form of extrinsic motivation on the learners.
Even the S2, 2012 offering where completion did not contribute to the final result achieve a better result (median of 58% versus 42.6%).
Potentially because the S2 offerings is only offered in an online mode, where the S1 offerings include on-campus offerings.