Making Choices Impairs Subsequent Self-Control
this article says that the act of making choices depletes the same psychological resource we use to stay on task.
I certainly find that i am face with an overwhelming number of choices every day. Sometimes i feel like everything is a choice and nothing is a forgone conclusion.
And i feel that is exhausting. Maybe these researchers are onto something.
summary article: http://www.apa.org/releases/manychoices0408.html
full article: http://www.apa.org/journals/releases/psp945883.pdf