conference programme book - European Survey Research ...

FRIDAY 22 JULY 189examinaons to grammar schools in the Czech Republic in 2008-2010. The aim of the test is to idenfy pupils’general scholasc aptude. In the paper we deal with characteriscs of student groups tested in pilots: we lookinto the size of the group, the grade and the type of school. Selected test items stascs is presented for bothpilot and final versions. We discuss the difficulty of test quesons in relaon to the pilot group characteriscs.4.19.2 GIS support in survey samplingA. Illyes 2 , G. Hideg 2 , T. Prajczer 11 GeoX, Hungary; 2 Gallup, BelgiumThe presentaon looks at how recent innovaons in publicy available web-based and API-enabled GIS developmentsmay be applied in survey sampling. The authors have developed applicaons for supporng samplingacvies (typically in mul-country surveys) with GIS tools. Discussion will cover the role of such support applicaonsin addressing (a) coverage error, via random coordinate sampling on Google map (b) sampling error,via GIS support in full quality assessment of sampling implementaon (i.e. applicaon of random routes), and(c) nonresponse, using GSP-supported interviewer tracking to verify interviewer acvity against the survey protocol(presence at locaon at the required number of revisits, control for respecng vising schedule, etc.).The paper will report on the experiences of using such tools, i.e...4.19.3 On Computaonal Aspects of Simulaon Methods in the Sample Allocaon FrameworkP. Chiodini 3 , G. Manzi 1 , B. Martelli 4 , F. Verrecchia 21 Università di Milano, Italy; 2 ESeC, Italy; 3 University of Milano-Bicocca, Italy; 4 Italian Naonal Instute of Stas-cs (ISTAT), ItalyThe empirical validaon of the analycal properes of sampling allocaon methods is based on simulaontechniques either for the whole populaon or for domain analysis, or for other fields of stascs. At almostnegligible costs, these techniques allow for checking general properes (even asymptoc) of esmators orstascal models. The aim of this paper is to propose a simulaon sampling technique – namely a strafiedsampling with an ex-post ordered selecon - for the detecon of the most effecve sampling allocaon in termsof precision of esmates. More specifically, in order to compare several allocaon methods, it is necessary tomake unique and efficient the sampling experiment (from a computaonal point of view)...4.19.4 First evidences on the quality of the new register sampling frame in SwitzerlandM. Ernst Stähli 1 , A. Pollien 1 , M. Sapin 1 , D. Joye 21 FORS - Swiss Foundaon for Research in Social Sciences, Switzerland; 2 University of Lausanne, SwitzerlandThe sampling frame of high quality surveys in Switzerland historically moved from register data of municipaliesin the sevenes to fixed telephone number directories since the eighes. Recently, the coverage of theregistered fixed phone numbers is connually deteriorang, pushing to find new soluons. For Face to Facestudies such as the ESS and the ISSP, an intermediate soluon has been found with the complete databaseof mailboxes in buildings over the country. Since the end of 2010, a register sampling frame of individuals isavailable, supposed to cover the whole populaon with nearly real me informaon. The ESS 2010 is the veryfirst survey using this new sampling frame. In this paper we analyze data from 3 rounds of the ESS (2006, 2008and 2010) - each of them being based on a different sampling frame - and the non-response survey of 2006and 2010...4.20 Surveys and polical opinions and acviesTo be held on July 22, 2011 from: 11:00 to 12:30, in room 410.Coordinated by: Sandra Penic - University of Lausanne, Switzerland