Soulen, Richard N., Soulen, R. Kendall (1) Hayes, John W. (1) Hickey, Matthew (hacker House), Arcuri, Jennifer (hacker House) (1) Diener, Ed (university Of Illinois At Urbana-champaign, Biswas-diener, Robert (center For Applied Positive Psychology (1) Guiley, Rosemary Ellen, Paul, Kevin (1)