As a testimony to their success, the use of Expert Systems (ES) has in
creased dramatically within and among manufacturing organizations. As
the investment in this important area grows, so does the need for an a
ssessment of their value. IBM's Corporate Manufacturing Expert Systems
Project Center collected information from 55 project managers regardi
ng the level of user satisfaction and six of the important factors lea
ding to ES development success. Based on the existing literature, six
hypotheses regarding the determinants of ES development success as mea
sured by user satisfaction were tested. The results clearly support th
e proposed relationships between the variables and suggest the need fo
r ES project managers to pay special attention to these determinants o
f user satisfaction with ES. The report provides recommendations to ES
project managers for enhancing the likelihood of project success.