I use different names too--maybe one of the names he uses was already taken somewhere else. Who knows.
I do think this is a bonafide student trying to do a research paper (ah, college--thank goodness Al Gore hadn't invented the Internet yet back then). If I'm right, he is certainly learning a free lesson or two about how to present himself, define his terms, find his focus group, and develop a thick skin all at the same time.
If I'm wrong and he's a spammer, I won't know because I didn't take the survey