Main Survey - Survey On A Representative Sample Of The Household Population; N = 1,200 Respondents (Ordering Partys Proposal); A Survey Using A Mixed Technique: Cawi (Computer Assisted Web Interview) And Capi (Computer Assisted Personal Interview) On A Representative Sample Of People From Households, For Which The Maximum Level Of Statistical Error Is 2%, Confidence Level 0.95. Estimated Duration Of The Interview – 45 Minutes. In The Offer, The Contracting Authority Should Propose The Size Of The Research Sample, Assuming That The Main Sample Size Is At Least 1,200 Respondents, A Description Of The Sample Selection Method Along With The Number And Characteristics Of The Sampling Stages, Layers Used, The Size Of The Reserve And The Procedure For Additions Made During The Research In Relation To The Assumptions. The Proposed Sample Selection Will Be One Of The Offer Evaluation Criteria. The Main Survey Will Be Accompanied By Additional Research Samples Targeted At Selected Types Of Respondents (So-Called Boosters), Which Will Make It Possible To Obtain Representativeness Of The Survey In Relation To Specific Groups Of Respondents Who Are Important Due To The General Objectives Of The Survey. The Above And Below Research Samples Should Contain At Least 30% Of The Research Sample Carried Out Using The Capi Method. The Size Of The Research Sample, The So-Called Boosters, Given In The Specification Below, Is An Indicative Value That May Be Changed By The Contractor, Along With A Justification For The Representativeness Of The Proposed Number.
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