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Comparing groups with respect to hypothetical constructs requires that the measurement models are equal across groups. Otherwise conclusions drawn from the observed indicators regarding differences at the latent level (mean differences, differences in the structural relations) might be severly...
Persistent link: https://www.econbiz.de/10010263736
the classical, interview-like survey used for ages in both science and market research. There exist several subtypes …Das Internet hält auch für die Marktforschung eine Vielzahl neuer Möglichkeiten zur Sammlung von Erkenntnissen bereit …
Persistent link: https://www.econbiz.de/10010352742
migration on sending families. We report the results of an experiment designed to compare the performance of three alternative …
Persistent link: https://www.econbiz.de/10010275883
This paper investigates if significant differences exist between online and paper & pencil participants in a quarterly business survey in the German business?related services sector when respondents may freely choose to respond either online or by more conventional methods. It also analyzes the...
Persistent link: https://www.econbiz.de/10010297787
Der 2009 im Handel durchgeführte "Test des Tests" durchlief bis zur endgültigen Version verschiedene Konzeptionsphasen. Zunächst wurden die Fragebögen der früheren Meta-Umfragen als Orientierungsmaßstab insbesondere hinsichtlich Zielvorstellung, Wortlaut und Umfang herangezogen und auf die...
Persistent link: https://www.econbiz.de/10011698406
Qualitative surveys enjoy huge popularity among business cycle analysts and research institutes since they provide fast information on the stance of the economy. However, in order to derive quantitative statements researchers have to rely on assumptions about the relation between quantitative...
Persistent link: https://www.econbiz.de/10010277730
Much analysis in macroeconomics empirically addresses economy-wide incentives behind consumer/investment choices by using insights from the way a single representative household would behave. Heterogeneity at the micro level can jeopardize attempts to back up the representative consumer...
Persistent link: https://www.econbiz.de/10010278011
A number of central banks publish their own business conditions survey based on non-random sampling methods. The results of these surveys influence monetary policy decisions and thus affect expectations in financial markets. To date, however, no one has computed the statistical accuracy of these...
Persistent link: https://www.econbiz.de/10010279889
Much analysis in macroeconomics empirically addresses economy-wide incentives behind consumer/investment choices by using insights from the way a single representative household would behave. Heterogeneity at the micro level can jeopardize attempts to back up the representative consumer...
Persistent link: https://www.econbiz.de/10010285745
When a survey response mechanism depends on the variable of interest measured within the same survey and observed for only part of the sample, the situation is one of nonignorable nonresponse. Ignoring the nonresponse is likely to generate significant bias in the estimates. To solve this, one...
Persistent link: https://www.econbiz.de/10010321608