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This model shows the interdependent nature of
success categories used.
Usability measures the extent to which the
computing facilities match user characteristics and
the skills for the tasks concerned. Functional Utility
focuses on how well the computing facilities meet
the requirements of the users. It also measures the
availability, accuracy and up-to–datedness of the
information obtained from the use of computing
facilities. User satisfaction is the most extensively
used single measure for IS evaluation (Delone et al
1992). End-user’s feelings of satisfaction arise when
he or she combines his or her perception of and
valuation of discrepancy regarding desires and
expectations from the use of computing facilities.
Individual Impact and Organizational Impact
indicate the impact of computing facilities on
individual performance and organizational
performance, respectively. Measures used for
Individual Impact are concerned with evaluating the
impact of computing facilities on an individual in
learning, course work, research work, planning and
decision making, communication and overall
productivity. Likewise, Measures of Organizational
Impact evaluate the impact of comporting facilities
on the organizational as a whole in the following
respects- innovation, research quality, pass
rate/grades, decision making, image of the institute,
capacity in terms of students, and overall
productivity of the institute.
3 MODEL VALIDATION
Aim of testing this model was to provide an
empirical evidence for the relationships between the
five constructs used in the proposed model. We
conducted a self-administered survey to collect the
primary data from the target population, which
consisted of students and faculty of five academic
institutes.
For the survey, a questionnaire was designed
based on discussions with students and faculty and
literature. Respondents were asked to fill the
questionnaire in the context of computing facilities
used in their institutes.
Questionnaire contained five sets of questions to
measure the five constructs of the model.
Questions were framed by discussions with
students and faculty of various academic institutes
and available literature. To evaluate the first
construct Usability, a set of four questions was used.
For measuring Functional Utility six questions were
framed. Four questions on Overall Satisfaction were
from Seddon and Yip (1992). To measure Individual
Impact and Organizational Usability measures the
extent to which the computing facilities match user
characteristics and Impact group of five and six
questions were used, respectively.
Likert scale was used for measurement in which
respondents indicate a degree of agreement or
disagreement with each of a series of statements
about the stimulus objects. Each statement has been
assigned seven response categories, ranging from 1
to 7. One signifies strong agreement, and seven
means strong disagreement.
3.1 Data Collection
Questionnaires were administered personally to the
students and faculty of the aforementioned institutes.
Total of 500 Questionnaires were distributed, out of
which, 411 completed questionnaires were returned
by the respondents. After screening of
questionnaires to identify illegible, incomplete, or
ambiguous responses, 31 questionnaires were
rejected. Total, 380 questionnaires were found
suitable for data analysis. Treatment of missing
values was done by substituting a neutral value.
3.2 Data Analysis and Results
To establish the model, three regression models have
been used
• Multiple regression model with Usability
and Functional Utility as independent
variables and User Satisfaction as
dependent variable.
• Simple regression model with User
Satisfaction as independent variable and
Individual Impact as dependent variable.
• Simple regression model with Individual
Impact as independent variable and
Organizational Impact as dependent
variable.
Using the abbreviations
X
1
= Usability
X
2
= Functional Utility
X
3
= User Satisfaction
X
4
= Individual Impact
X
5
= Organizational Impact
the following linear regressions are considered
X
3
= b
3.12
+ b
31.2
X
1
+ b
32.1
X
2
(1)
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