
Researchers have examined whether 3-D film is more effective than 2-D when used as a research method for evoking emotion. Both were effective, and 3-D did not add incremental benefit over 2-D, with implications for emotional research as well as entertainment.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Hxk4quS4eM0/140904141811.htm