Three essays on success factors for information systems

TL;DRAbstract

The first essay in this dissertation proposes a new information systems design theory. IS design theories are prescriptive, specifying testable hypotheses of what artifacts and processes lead to systems that are more successful. The new design theory proposed was derived from the analysis of a case study in which information systems were developed and used to support the strategic decisions of a manufacturer of confectionary products seeking to expand in the U.S. market. These decisions were unstructured and the decision-making process an emergent knowledge process (EKP) as defined by researchers. The new design theory is in the form a set of design principles and is different from previous EKP design theories. The second essay researches how choosing a particular decision tree algorithm--classification or regression--can lead to better results under conditions of random and systematic noise. Systematic noise in particular has not been well researched despite the fact that is frequentl

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