Search results for " age and gender groups"

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Field rules and bias in random surveys with quota samples : an assessment of CIS surveys

2018

Surveys applying quota sampling in their final step are widely used in opinion and market research all over the world. This is also the case in Spain, where the surveys carried out by CIS (a public institution for sociological research supported by the government) have become a point of reference. The rules used by CIS to select individuals within quotas, however, could be improved as they lead to biases in age distributions. Analysing more than 545,000 responses collected in the 220 monthly barometers conducted between 1997 and 2016 by CIS, we compare the empirical distributions of the barometers with the expected distributions from the sample design and/or target populations. Among other …

:62 Statistics [Classificació AMS]Fieldwork rulesQuota samplingInter-quota distributions:Matemàtiques i estadística::Estadística matemàtica [Àrees temàtiques de la UPC]Age and gender groups62D05Centre for Sociological Research quota sampling fieldwork rules age and gender groups inter-quota distributions intra-quota distributionsCentre for sociological research:62 Statistics::62D05 Sampling theory sample surveys [Classificació AMS]Intra-quota distributions
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