0000000000648493
AUTHOR
Juhani Iivari
showing 2 related works from this author
Factors affecting perceptions of CASE effectiveness
1995
CASE (Computer Aided Software/Systems Engineering) tools are claimed to increase the productivity of systems development and the quality of developed systems. Existing empirical research on CASE effectiveness is entirely based on subjective, perceptual data. In order to interpret the existing evidence, it is useful to understand factors affecting these perceptions. This paper studies the impact of demographic variables such as education and experience, CASE adoption process variables such as training and participation, and CASE product variables such as perceived trialability, perceived complexity, perceived demonstrability and perceived compatibility on CASE effectiveness perceptions such …
The effects of self-efficacy on computer usage
1995
Abstract This paper examines the effect of self-efficacy, belief in one's capabilities of using a computer in the accomplishment of specific tasks, on computer usage. It introduces an extended technology acceptance model (TAM) that explicitly incorporates self-efficacy and its determinants (experience and organizational support) as factors affecting computer anxiety, perceived ease of use, perceived usefulness and the use of computer technology. A survey of 450 microcomputer users in Finland found strong support for the conceptual model. In accordance with TAM, perceived usefulness had a strong direct effect on usage, while perceived ease of use had indirect effect on usage through perceive…