A review of the literature indicates that (1) subjective types of information (e.g., quality of work) have a greater influence on the selection of professional services than objective types of information (e.g., school that the professional attended) and (2) personal sources (e.g., word of mouth) have a more decisive effect on the purchase decision than commercial sources of information (e.g.,
... [Show full abstract] advertising). (PsycINFO Database Record (c) 2012 APA, all rights reserved)