User:EWilkerson/sandbox

http://psycnet.apa.org/journals/amp/44/2/112/ http://onlinelibrary.wiley.com/doi/10.1111/j.1469-7610.1997.tb01597.x/abstract http://link.springer.com/article/10.1007/s10803-006-0337-1#page-1 http://jls.sagepub.com/content/12/1-2/132.short http://jls.sagepub.com/content/12/1-2/30.short http://psycnet.apa.org/journals/rev/57/5/271/