The purpose of the article is to study the degree of usability of sites from the point of view of their stakeholders. The usability indicator is responsible for how easy the site's interface is to use, that is, it means how easily the user without special training can interact with the information system of the website. The goal of usability is to have a product that is easy to understand, easy to learn, effective to use, and en-joyable to use. Methodology. The article proposes an approach for assessing the usability of sites of business entities, based on the results of an empirical study in the format of questionnaire, which allows us to take into account the subjective attitude of respondents to the usability of a particular site. When calculating the integral usa-bility indicator, the assessments of the weight of each variant of the answer to the question, the weight of the question within the boundaries of each of the criteria, the weight of each criterion in the final indicator are taken into account. The approbation was carried out on the websites of higher education institutions. Highlighted the most important criteria for the usability of the website of a higher education institution from the point of view of applicants and students as stakeholders who are potential buyers and consumers of educational services: loading speed, convenience, efficiency, relevance, accessibility, interactivity, cross-browser compatibility, lack of forced content, attractive design, satisfaction. To obtain the results, a survey of 1170 stakeholders was conducted in the form of a questionnaire regarding the compliance of the websites of higher education institutions with the usability criteria. Based on the results of scoring and taxonomic analysis, quantitative values of the integral indicator of the usability of the websites of higher education institutions were obtained: NTUU “Igor Sikorsky Kyiv Polytechnic Institute”– 8,01; Taras Shevchenko National University of Kyiv – 6,47; Sumy State University – 7,87; Lviv Polytechnic National University – 7,85; V.N. Karazin Kharkiv National University – 5,32; Interregional Academy of Personnel Management – 7,7; Kharkiv University – 6,97; Academy of Advocacy of Ukraine – 5,62. The obtained quantitative values indicate that, according to Harrington's scale of desirability, the NTUU “Igor Sikorsky Kyiv Polytechnic Institute” site has the highest level of usability, the Sumy State University, Lviv Polytechnic National University, Interregional Academy of Personnel Management, Kharkiv University and Taras Shevchenko National University of Kyiv sites have a sufficient level, the Academy of Advocacy of Ukraine and V.N. Karazin Kharkiv National University sites are at the middle level. Practical implications. The proposed approach can be applied to the site of any business entity, it makes it possible to quantify the level of usability of the site from the point of view of stakeholders and become the basis for making effective management decisions regarding the compliance of the website with the requirements and needs of users. Value/originality. The proposed methodology for assessing the site of higher education institutions makes it possible to assess the degree of convenience of sites, which is a tool for ensuring the quality of online presentation of educational services in the context of limited information transparency of higher education institutions.
PROSODIC ORGANISATION OF REFUSAL UTTERANCES: THEIR CORRECT CODING, DECODING AND ACTUALISATION IN ENGLISH DIALOGUE SPEECH
