The economic sentiment indicator is composed of the industrial confidence indicator (40%), the construction confidence indicator (5%), the retail trade confidence indicator (5%), the services confidence indicator (30%) and the consumer confidence indicator (20%). All confidence indicators are balances.
Statistical Office of the Slovak Republic perform (or performed) surveys via trained external interviewers. Interviewer network is allocated into 200 fieldwork areas in whole Slovak republic, which guarantee representativeness by municipality size and region to overall Slovak surveys. Different populations and sample ranges are used in accordance with given research projects. Main sampling methods used in Public opinion research centre are quota sampling with randomization in last step and random sampling. Preferred data collection method is questionnaire-based interview. Collected data are gathered by postal service or telephonically. Examined questionnaires are scanned and are statistically processed upon in-depth data verification and analysis of representativeness of the sample are complete. Publications, articles and information for press, which are published by Statistical office of Slovak republic in publication group Other publications (Customer barometer; Hidden economy in informal sector; Public opinions on problems related to drugs prevalence) or on internet are composed on the basis of acquired results.