Technology Acceptance Model

Advances in computing and informationspecific technology as useful, she/he will believe in
technology are changing the way people meeta positive use-performance relationship. Since
and communicate. People can meet, talk, andeffort is a finite resource, a user is likely to
work together outside traditional meeting andaccept an application when she/he perceives it as
office spaces. For instance, with the introductioneasier to use than another .As a consequence,
of software designed to help people scheduleeducational technology with a high level of PU and
meetings and facilitate decision or learningPEOU is more likely to induce positive perceptions.
processes, is weakening geographical constraintsThe relation between PU and PEOU is that PU
and changing interpersonal communicationmediates the effect of PEOU on attitude and
dynamics. Information technology is alsointended use. In other words, while PU has direct
dramatically affecting the way people teach andimpacts on attitude and use, PEOU influences
learn.attitude and use indirectly through PU.
As new information technologies infiltrateUser acceptance is defined as "the demonstrable
workplaces, home, and classrooms, research onwillingness within a user group to employ
user acceptance of new technologies has startedinformation technology for the tasks it is designed
to receive much attention from professionals asto support" (Dillon & Morris). Although this
well as academic researchers. Developers anddefinition focuses on planned and intended uses of
software industries are beginning to realize thattechnology, studies report that individual
lack of user acceptance of technology can lead toperceptions of information technologies are likely
loss of money and resources.to be influenced by the objective characteristics
In studying user acceptance and use ofof technology, as well as interaction with other
technology, the TAM is one of the most citedusers. For example, the extent to which one
models. The Technology Acceptance Model (TAM)evaluates new technology as useful, she/he is
was developed by Davis to explainlikely to use it. At the same time, her/his
computer-usage behavior. The theoretical basis ofperception of the system is influenced by the
the model was Fishbein and Ajzen's Theory ofway people around her/him evaluate and use the
Reasoned Action (TRA).system.
The Technology Acceptance Model (TAM) is anStudies on information technology continuously
information systems (System consisting of thereport that user attitudes are important factors
network of all communication channels used withinaffecting the success of the system. For the past
an organization) theory that models how usersseveral decades, many definitions of attitude have
come to accept and use a technology, The modelbeen proposed. However, all theories consider
suggests that when users are presented with aattitude to be a relationship between a person
new software package, a number of factorsand an object (Woelfel, 1995).
influence their decision about how and when theyIn the context of information technologies, is an
will use it, notably:approach to the study of attitude - the
Perceived usefulness (PU) - This was defined bytechnology acceptance model (TAM). TAM
Fred Davis as "the degree to which a personsuggests users formulate a positive attitude
believes that using a particular system wouldtoward the technology when they perceive the
enhance his or her job performance".technology to be useful and easy to use (Davis,
Perceived ease-of-use (PEOU) Davis defined this1989).
as "the degree to which a person believes thatA review of scholarly research on IS acceptance
using a particular system would be free fromand usage suggests that TAM has emerged as
effort" (Davis, 1989).one of the most influential models in this stream
The goal of TAM is "to provide an explanation ofof research The TAM represents an important
the determinants of computer acceptance that istheoretical contribution toward understanding IS
general, capable of explaining user behavior acrossusage and IS acceptance behaviors. However, this
a broad range of end-user computing technologiesmodel -- with its original emphasis on the design of
and user populations, while at the same time beingsystem characteristics - does not account for
both parsimonious and theoretically justified".social influence in the adoption and utilization of
According to the TAM, if a user perceives anew information systems.