In a change from the usual blog posts, today we have a guest blog post from Dr. Gary D. Theilman an Associate Professor of Pharmacy and Practice at the University of Mississippi School of Pharmacy. Many thanks to Gary for taking the time to share his experiences with HTML5.
For several years, we have required our students to upload their written assignments in PDF format. Requiring assignments in PDF has solved several problems:
- It has cut down on arguments about what “a one page limit” means. When using DOCX or another word processor format, what appears as “one page” on the student’s computer sometimes displays as two pages on the faculty’s computer. Even limiting length of assignments by word count does not really help as word count calculations differ depending on which word processor is used.
- PDF’s reputation for being “unchangeable” (even though it really isn’t) reduces student claims that “my assignment was somehow altered after I uploaded it”.
- We need a fairly quick turn-around time for grading and we wanted faculty to be able to bring the assignments up in a web browser and grade them online. There are a number of ways of displaying PDFs in a web browser.
The major problem we’ve had with PDF-based assignments is having faculty add written comments to the page while grading. While PDF does support annotations, we wanted the written comments and metadata to be stored in our own database rather than in the PDF file itself. This led us to a work-around where we had the students include line numbers on their PDF documents. When leaving comments in the web-based grading program, faculty would refer to the line numbers on the PDF so that students could find the relevant text.
We rewrote our online grading program such that when students upload their PDF assignments, the document is converted into formatted HTML text so that it can be used with Annotator. While BuildVu does preserve the original formatting of the student’s assignment, we also provide a link to the original PDF so that the grader (and the student) can see whether mistakes are artifacts of the conversion (which they usually are not) or if the student actually made the mistake on the original PDF.
The grading process we use is similar to that which is performed by the website [paper grader]. While that site is public, our grading software is only used within our school. Also, [paper grader] allows uploading of assignments in a variety of formats (.doc, .docx, .html, .odt, .rtf, .sxw, txt). The notable exception to the formats supported is PDF. BuildVu provides the bridge that allows us to add that functionality to our own website.
- Using jQuery.ScrollTo we can link drop-down boxes with DIVs containing assignment section headers. The document will automatically scroll to the section that the grader is reviewing.
- We can use jQuery’s :contains() Selector to seek out and highlight certain text within a DIV (such as reference numbers) to associate citations with linked documents.
When the students have their graded assignments “returned”, they go to a webpage where they can see their scores and faculty comments using a “read-only” adaptation of Annotator. Again, they are provided a way to download their original PDF so that they can be confident that the text conversion by BuildVu accurately reflects their original assignment.
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