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2.841  Articles
1 of 285 pages  |  10  records  |  more records»
Survey data is used in many social science studies. The measurement quality of these data is crucial as it determines the accuracy of the information on which these studies are based. Besides, since these studies are used to provide insights to key politi... see more

After briefly summarizing why there is a need to enhance web survey data, this paper explains how metered, geolocation, visual and voice data could help to supplement conventional web survey data, particularly when mobile participation is high. It present... see more

Little is known about the measurement quality of questions in web surveys, even if, this information is crucial to design better questionnaires and to correct for measurement errors in substantive analyses. This paper aims to cover this gap by answering t... see more

In order to compare data-quality of different data-collection modes, multitrait-multimethod (MTMM) experiments have been implemented in a mixed-mode experiment parallel to the European Social Survey (ESS) fourth round (2008/2009). Special interest lies in... see more

More and more respondents use mobile devices to complete web surveys. These devices have different characteristics, if compared to PCs (e.g. smaller screen sizes and higher portability). These characteristics can affect the survey responses, mostly when a... see more

Measurement equivalence is a pre-requisite to be able to make comparisons across groups. In this paper we are interested in testing measurement equivalence across respondents answering surveys done using different modes of data collection. Indeed, differe... see more

Millennials (1982-2003) witnessed a set of events during their lives that differentiated them from older age cohorts (Generation X, Boomers, and Silents). Thus, one can also expect that Millennials’ web survey participation differs from that of older coho... see more

It is common to repeat survey questions in the social sciences, for example to estimate test-retest reliability or in pretest-posttest experimental designs. An underlying assumption is that the repetition of questions leads to independent measurements. Cr... see more

Introduction: California sea lions (Zalophus californianus) are a wide ranging species in the Northeastern coast of the United States and Mexico; the former limits of the species southern distribution were the Islas Marias Archipelago. Since the 1980’s se... see more

1 of 285 pages  |  10  records  |  more records»