<p>Without a proper study that would be difficult to determine. Is a frequent facebook user very similar to a frequent video game player, for example? How about two people at work, one using facebook and another leisurely browsing the web? Neither is getting quality work done, possibly. </p>
<p>I tend to think facebook is a distraction similar to how text messaging, IM, phone calls, etc. are distractions if a person is in a classroom or trying to study. Maybe more like a drug; instead of smoking marijuana, these people are “zoning out” using facebook.</p>