The object of the dissertation is the impact of public libraries on users. The research is aiming at answering the question what is the impact of library public access computing on users and how can we evaluate it. The objectives of the dissertation are solved in three parts. The first part discusses definitions of impact, theoretical models and frameworks of its assessment and reviews the literature on impact evaluation in librarianship, highlighting the similarities and differences of general impact assessment concept and its adoption in librarianship. The second part presents the methodology of empirical study including target groups, methods, sampling, data collection and analyses. The third part describes study results which are summarized in the conclusions. The annexes provide additional information on research methodology as well as the extended results and research instruments. / Disertacijos objektas yra viešųjų bibliotekų poveikis vartotojams. Moksliniu tyrimu yra sprendžiamas klausimas kokį poveikį vieša interneto prieiga per viešąsias bibliotekas daro vartotojams ir bendruomenėms ir kaip jis galėtų būti įvertinamas. Iškeltą problemą sprendžiantys uždaviniai įgyvendinami trijose disertacijos dalyse. Pirmojoje dalyje atskleidžiama poveikio samprata ir pristatomi jo vertinimo teoriniai modeliai bei apžvelgiami užsienio autorių bibliotekininkystės srityje atlikti poveikio vertinimo tyrimai, išryškinami panašumai ir skirtumai tarp bendrosios poveikio vertinimo teorijos ir jos taikymo bibliotekų poveikio vertinimui. Antrojoje dalyje pateikiama empirinio tyrimo metodologija: išsamiai pristatoma tyrimo metodika, pagrindžiamas metodų pasirinkimas, aptariamas tyrimo dizainas ir vykdymas bei išdavos. Trečiojoje dalyje pristatomi tyrimo rezultatai, kurie apibendrinami išvadose. Prieduose pateikiamas išplėstinis tyrimo metodikos taikymo aprašymas, pateikiami papildomi empirinio tyrimo duomenys ir jų rinkimo instrumentai.

Theses deal with opportunities of e-government, possible changes in the society after implementation of e-government projects, provision of high level electronic public services (EPS) which are recommended by the EU program documents. They also analyse supply and demand of e-government services in the society, level of society satisfaction by e-government services, influence of e-government to the sphere of rapidly developing and improving technologies. Theses present and analyse samples of e-government services of foreign countries which enable to assess shortcomings of services, future perspectives of other countries. Theses analyse e-government situation in Lithuania.

Throughout the Europe, special attention is paid to the development, provision and design of electronical services. Experience of foreign countries proposes that e-education plays a significant role both in social development and the development of country or its regions in economical, cultural and other aspects. Goal of work: to analyze the influence of the provided services of e-education to the social development in the municipal level.