World Wide Web has gained its dominant status in the information and services delivery world in recent years, but how to build a good usability web site is still a problem. In this paper, we proposed a methodology for structured use-centered quantitative full-life-cycle usability requirements specification and usability evaluation of web sites. Our approach is that: the system’s usability is de...

Support to website developers without formal training in human-computer interaction that enable them to conduct their own usability evaluations would radically advance integration of usability engineering in web development. This chapter presents experiences from usability evaluations conducted by developers and results from an empirical study of means to support non-experts in identifying usab...

Usability is an important quality characteristic of software (SW) products and systems. Usability cost-benefit analysis models outline the potential benefits and costs of usability. This paper contrasts usability cost-benefit analysis literature with an empirical case in industrial setting, in which usability cost-benefit considerations (along with other usability activities) resulted in usabil...

Many e-commerce sites experience usability problems. If usability of those sites is improved, their sales may increase significantly. This can be achieved by conducting adequate usability evaluations. However, traditional usability testing is an expensive activity because it involves participation of usability experts and engineers. Therefore, not many companies are able to afford it or willing...

Usability professionals have attained a specialist role in systems-development projects. This study analyzes usability professionals’ operational understanding of usability by eliciting the constructs they employ in their thinking about system use. We approach usability broadly and without a priori distinguishing it from user experience. On the basis of repertory-grid interviews with 24 Chinese...

The purposes of this article are to describe usability testing and introduce designs and methods of usability testing research as it relates to upper-limb prosthetics. This article defines usability, describes usability research, discusses research approaches to and designs for usability testing, and highlights a variety of methodological considerations, including sampling, sample size requirem...

Usability Inspections are essential for early detection of defects in UI design, but they require sound usability knowledge. Usability Patterns are the state-of-the-art format for describing usability knowledge. Thus, it seems obvious to use them as a means for evaluating the design of user interfaces. In this paper a usability inspection method based on usability patterns is introduced, which ...

The popularity of TikTok is getting higher because from the start a platform that provides new experience combines social media as well transacting online.TikTok allows businesses to market their products in creative form possible, such making videos and building community with share. an application plays important role paid promotional media, which course directly related digital marketing car...