by Faber, Ronald J., Tims, Albert R., Schmitt, Kay G.
Published in Journal of advertising (01.12.1993)

by Solberg, Leif I, Asche, Stephen E, Averbeck, Beth M, Hayek, Anita M, Schmitt, Kay G, Lindquist, Tim C, Carlson, Richard R
Published in Joint Commission journal on quality and patient safety (01.05.2008)