One method to increase the response rate in surveys is to use respondent incentives. The effectiveness of incentives depends on a number of factors which, however, may have a varied impact on respondents’ decisions about ...

In this paper we show how one method of increasing the response rate, i.e. an extension of the fieldwork period, influences the structure of non-response and the differences between respondents and non-respondents. We used ...

In Poland, like in other countries, participation in surveys is declining over time. The growing non-response rates increase a risk of systematic bias of the results depending on the differences between non-respondents and ...

This analysis aims at presentation of class schema constructed by Robert Erikson and John Goldthorpe referred to EGP. It is well-established and most widely employed coding schema in international research on social ...

The paper presents an analysis of association in a contingency table using log-linear models. The focus is made on situation when at least one of variables is measured on an ordinal scale. I formulate hypotheses in terms ...

Patterns of eating, as an element of lifestyle and consumption, constitute a major research area in the social and health sciences. The study of eating patterns focus on what people eat, whether they eat alone or in company, ...