Factors of process model comprehension-Findings from a series of experiments

  • Authors:

  • Jan Mendling;Mark Strembeck;Jan Recker

  • Affiliations:

  • Wirtschaftsuniversität Wien (WU), Augasse 2-6, 1090 Wien, Austria;Wirtschaftsuniversität Wien (WU), Augasse 2-6, 1090 Wien, Austria;Queensland University of Technology, 126 Margaret Street, QLD 4000 Brisbane, Australia

  • Venue:
  • Decision Support Systems
  • Year:
  • 2012

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Abstract

In order to make good decisions about the design of information systems, an essential skill is to understand process models of the business domain the system is intended to support. Yet, little knowledge to date has been established about the factors that affect how model users comprehend the content of process models. In this study, we use theories of semiotics and cognitive load to theorize how model and personal factors influence how model viewers comprehend the syntactical information of process models. We then report on a four-part series of experiments, in which we examined these factors. Our results show that additional semantical information impedes syntax comprehension, and that theoretical knowledge eases syntax comprehension. Modeling experience further contributes positively to comprehension efficiency, measured as the ratio of correct answers to the time taken to provide answers. We discuss implications for practice and research.