With the success of its free open online course system, called MITx, the Massachusetts Institute of Technology finds itself sitting on a wealth of student data that researchers might use to compare the efficacy of virtual teaching methods, and perhaps advance the field of Web-based instruction, The New York Times reports.
Since its inception several years ago, for instance, MITx has attracted more than 760,000 unique registered users from about 190 countries, university officials said. Those users have generated 700 million interactions with the school’s learning system and have contributed around 423,000 forum entries, many of them quite personal.
As researchers contemplate mining the students’ details, however, the university is grappling with ethical issues raised by the collection and analysis of these huge data sets, known familiarly as Big Data, said L. Rafael Reif, the president of M.I.T.
For instance, he said, serious privacy breaches could hypothetically occur if someone were to correlate the personal forum postings of online students with institutional records that the university had de-identified for research purposes.