Oded Lowengart Noam Tractinsky Differential Effects of Product Category on Shoppers' Selection of Web-based Stores: A Probabilistic Modeling Approach. 142-156 2001 2 J. Electron. Commerce Res. 4 http://www.csulb.edu/web/journals/jecr/issues/20014/paper2.pdf db/journals/jecr/jecr2.html#LowengartT01