Galletta, D and King, RC and Rateb, D
(1993)
The effect of expertise on software selection.
ACM SIGMIS Database, 24 (2).
7 - 20.
ISSN 0095-0033
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Abstract
Selection of hardware and software is a complicated task involving the consideration of multiple criteria decision making 1993 as well as the expertise of the decision maker. Two MCDM studies examined whether or not expertise in database management systems (DBMS) would facilitate selection among DBMS alternatives. The results of the first study suggest that (I) experts seemed to exhibit more agreement on criterion weights than did novices, (2) experts were about twice as consistent in applying the weights they assigned to the choice task compared to novices, (3) novices tended to rate criteria with scores that were closer to the neutral midpoint than did experts, and (4) experts made different choices than did novices. Consistency was assessed using two different quantitative measures; one was based on ordinality and the other on position. In the second study, concurrent verbal protocols showed that experts tended to bring their own experience to the choice task, were distracted less frequently, and used superior strategies in elimination of weakest alternatives. This implies that staff members with significant domain expertise should be used in DBMS acquisition tasks. Future research should determine whether or not these findings generalize to other task domains. © 1993, ACM. All rights reserved.
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