PU = Perceived Usefulness (Davis, 1989) RA = Relative Advantage (Rogers, 1983) OE = Outcome expectations (Compeau & Higgins, 1995) • P1. I would find the system useful in my job (PU). • P2. Using the system enables me to accomplish tasks more quickly (RA). • P3. Using the system increases my productivity (RA). • P4. If I use the system, I will increase my chances of getting a raise (OE).