Investment in information systems and the financial performance of the firm
Information and Management
The use of meta-analysis in MIS research: promises and problems
ACM SIGMIS Database
Information technology and economic performance: A critical review of the empirical evidence
ACM Computing Surveys (CSUR)
Information Technology Investment and Firm Performance: A Meta-Analysis
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 8 - Volume 8
Information Systems Research
An analysis of communication mode in group support systems research
Decision Support Systems
A semantic approach to monitor business process
Communications of the ACM - The semantic e-business vision
Enhancing business performance via vendor managed inventory applications
Communications of the ACM - Surviving the data deluge
A model to develop effective virtual teams
Decision Support Systems
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Meta-analysis is a quantitative methodology that allows for summarizing the results of primary research studies in a field to provide new insights in terms of the phenomenon observed or the outcomes reported. This paper attempts to answer the fundamental question, ''Do methodological decisions in a meta-analytic study affect the conclusions drawn from that study?'' Specifically, this paper examines the effects of meta-analytic decisions when applied to the business value of information technology (BVIT) research stream. A closer examination of the variation in the methodological decisions informs us that, with each different decision alternative, we are examining slightly different phenomenon. The findings reveal that study outcomes do change, depending on the meta-analytic decisions that are tested. In other words, methodological decisions matter. Based on the data from 99 primary studies and 531 effect sizes, we tested seven hypotheses, in the BVIT research stream, using a comprehensive set of different methodological conditions. We find support for two findings that are consistent across all the different conditions. First, investing in information technology (IT) is positively associated with the firm's performance. We also find that large firms get more benefits from IT than small firms. These and the overall findings suggest that researchers should be cognizant of their methodological decisions, as they may be observing the phenomenon under different boundary conditions with different methodologies.