Read the abstract of the paper; it's a much clearer summary than this article, which ignores the second control condition of "surety of commitment." http://psyc

Read the abstract of the paper; it's a much clearer summary than this article, which ignores the second control condition of "surety of commitment." http://psycnet.apa.org/journals/psp/94/2/183/ http://psycnet.apa.org/journals/psp/94/2/183/