Those IT variables are, in turn, affected by systems variables (such as SPMS information quality and system design purposes). Finally, the model proposes that both IT and systems variables are affected by organizational variables related to information processing capabilities and requirements. Based on Organizational Information Processing Theory (OIPT), the model includes two variables that are related to an organization’scapability to process information: organizational structure (which may impede or facilitate information flow) and management decision-making style (reflecting the different exchanges of information that occur in collaborative versus command-andcontrol decision-making styles).