選択肢は多いと決断できなくなるのか?/ (Many choices cause decision fatigue and postpone decision making.)

選択肢は多いと決断できなくなるのか?/ (Many choices cause decision fatigue and postpone decision making.)

Iyengar, S., et al. (2000). When Choice is Demotivating: Can One Desire Too Much of a Good Thing? Journal of Personality and Social Psychology, 6, 995-1006.

http://www.nicovideo.jp/watch/sm37579273