PA
PERS
Construct
Item
Number Item References
Process
expectations
To which extent do you agree/disagree with the following statements concerning the considered project? Derived from
Bhattacherjee (2001)
and Wallace et al.
(2004)
EPROC1 I expected the IS project to be completed within budget.
EPROC2 I expected the IS project to be completed within schedule.
Product
expectations
To which extent do you agree/disagree with the following statements concerning the considered project?
EPROD1 I expected the IS to have the intended functional requirements.
EPROD2 I expected the IS to be reliable.
EPROD3 I expected the overall quality of the IS to be high.
EPROD4 I expected the IS to fulfill users’ expectations with respect to the system’s response time.
EPROD5 I expected the IS to be easy to maintain.
Process
performance
To which extent do you agree/disagree with the following statements concerning the considered project? Wallace et al. (2004)
PROC1 The system was completed within budget.
PROC2 The system was completed within schedule.
Product
performance
To which extent do you agree/disagree with the following statements concerning the considered project? Wallace et al. (2004)
PROD1 The system’s intended functional requirements were met.
PROD2 The overall quality of the developed application is high.
PROD3 The application developed is reliable.
PROD4 The system meets user expectations with respect to response time.
PROD5 The application is easy to maintain.
Confirmation To which extent do you agree/disagree with the following statements concerning the considered project? Adapted from
Bhattacherjee (2001) CONF1 My experience with the IS project was better than what I expected.
CONF2 The benefit provided by the IS project was better than what I expected.
CONF3 Overall, my expectations concerning the IS project were at least confirmed.
Process
satisfaction
Regarding my experience with the IS project concerning the development process (compliance with
budget and schedule, communication, dealing with issues, etc.), I feel . . .
Adapted from Lee
and Kim (1999)
PROCS1 Very satisfied . . . Very dissatisfied
PROCS2 Very pleased . . . Very displeased
PROCS3 Very contented . . . Very frustrated
PROCS4 Absolutely delighted . . . Absolutely terrible
Product
satisfaction
Regarding my experience with the IS project concerning the product itself (functional and nonfunctional
requirements, expectations in general, etc.), I feel . . .
PRODS1 Very satisfied . . . Very dissatisfied
PRODS2 Very pleased . . . Very displeased
PRODS3 Very contented . . . Very frustrated
PRODS4 Absolutely delighted . . . Absolutely terrible
Client–vendor
communication
During the IS project, the manner and methods of communication between our vendor and us were . . . Lee and Kim (1999)
CVC1 Timely . . . Untimely
CVC2 Accurate . . . Inaccurate
CVC3 Complete . . . Incomplete
CVC4 Credible . . . Incredible
Table 3: Constructs and corresponding items.
