id author title date pages extension mime words sentences flesch summary cache txt work_uayzfd3dtrgszgwrvrlzbzwrme Yian-Shu Chu An intelligent questionnaire analysis expert system 2009 12 .pdf application/pdf 6539 629 59 In the questionnaire analysis, how to find a statistically significant difference between two or more groups in a continuous measure is The one is that the process of finding the statistically significant differences is highly dependent on researchers' intuition and experience, and the other is that the original questionnaire data may not be good enough to find the In this paper, we build a data warehouse and a forward-chaining rule-base expert system with three kinds of indicators, Increase, StepDown, and Dice, for drilling down the data warehouse to assist researchers in exploring the data to select appropriate statistics methods to find possible significant differences. Keywords: Statistically significant difference; Expert system; Data warehousing; On-line analytic processing (OLAP) significant differences from the data and use their knowledge like rules to select the appropriate statistics methods issue is how to easily explore the full data to make hypotheses of the possible statistically significant differences. ./cache/work_uayzfd3dtrgszgwrvrlzbzwrme.pdf ./txt/work_uayzfd3dtrgszgwrvrlzbzwrme.txt