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Displaying results 1 to 9 of 9.

  1. Investigating selection bias of online surveys on coronavirus-related behavioral outcomes
    Author: Schaurer, Ines; Weiß, Bernd
    Published: 2020
    Publisher:  SSOAR, GESIS – Leibniz-Institut für Sozialwissenschaften e.V., Mannheim

    Abstract: The coronavirus SARS-CoV-2 outbreak has stimulated numerous online surveys that are mainly based on online convenience samples or commercial online access panels where participants select themselves. The results are, nevertheless, often... more

     

    Abstract: The coronavirus SARS-CoV-2 outbreak has stimulated numerous online surveys that are mainly based on online convenience samples or commercial online access panels where participants select themselves. The results are, nevertheless, often generalized to the general population. In our paper we investigate the potential bias that is introduced by respondents' self-selection. The analysis is based on survey data of the "GESIS Panel Special Survey on the Coronavirus SARS-CoV-2 Outbreak in Germany", together with background information of the GESIS Panel. Our analyses show indication of a nonignorable amount of selection bias for measures of personality traits among online survey respondents. This provides some evidence that participating in an online survey and complying with measures that can minimize the risk of being infected with the SARS-CoV-2 virus are confounded. Hence, generalizing these results to the general population bears the risk of over or underestimating the share of the

     
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  2. Language usage, participation, employment and earnings
    Author: Aldashev, Alisher; Gernandt, Johannes; Thomsen, Stephan L.
    Published: 2007
    Publisher:  Univ., FEMM, Magdeburg

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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Print
    Series: Working paper series ; No. 2007,18
    Subjects: Einwanderer; Mehrsprachigkeit; Berufliche Integration; Betriebliches Eingliederungsmanagement; Berufsvorbereitung; Einkommen
    Other subjects: self-selection bias
    Scope: 26 S., 21 cm
  3. Language usage, participation, employment and earnings
    evidence for foreigners in West Germany with multiple sources of selection
    Author: Aldashev, Alisher; Gernandt, Johannes; Thomsen, Stephan L.
    Published: 2008
    Publisher:  Zentrum für Europ. Wirtschaftsforschung, Mannheim

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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Print
    Series: Discussion paper ; No. [20]08,090 : Labour economics, human resources and social policy
    Subjects: Einwanderer; Mehrsprachigkeit; Berufliche Integration; Betriebliches Eingliederungsmanagement; Berufsvorbereitung; Einkommen; Deutschland ; Einwanderer ; Mehrsprachigkeit ; Berufliche Integration ; Einkommen
    Other subjects: self-selection bias
    Scope: 27 S., 21 cm
    Notes:

    Literaturverz. S. 19 - 21
  4. Language usage, participation, employment and earnings
    Author: Aldashev, Alisher; Gernandt, Johannes; Thomsen, Stephan L.
    Published: 2007
    Publisher:  Univ., FEMM, Magdeburg

    Location:
    Universität Potsdam, Universitätsbibliothek
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Print
    Series: Working paper series / Otto von Guericke University, FEMM, Faculty of Economics and Management ; 2007,18
    Subjects: Migranten; Mehrsprachigkeit; Arbeitsmarktintegration; Einkommen; Deutschland; self-selection bias
    Scope: 26 S., graph. Darst.
    Notes:

    Literaturverz. S. 21 - 22
  5. Language usage, participation, employment and earnings : evidence for foreigners in West Germany with multiple sources of selection
    Author: Aldashev, Alisher; Gernandt, Johannes; Thomsen, Stephan L.
    Published: 2008
    Publisher:  Universitätsbibliothek Mannheim, Mannheim

  6. Language usage, participation, employment and earnings
    Author: Aldashev, Alisher; Gernandt, Johannes; Thomsen, Stephan L.
    Published: 2007
    Publisher:  Univ., FEMM, Magdeburg

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    Universitäts- und Landesbibliothek Sachsen-Anhalt / Zentrale
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    Otto-von-Guericke-Universität, Universitätsbibliothek
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    epubhzs08
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    Content information
    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    Series: Working paper series / Otto von Guericke University, FEMM, Faculty of Economics and Management ; 2007,18
    Subjects: Migranten; Mehrsprachigkeit; Arbeitsmarktintegration; Einkommen; Deutschland; self-selection bias
    Scope: Online-Ressource (PDF-Datei: 26 S., 0,29 MB), graph. Darst.
  7. Language usage, participation, employment and earnings
    Author: Aldashev, Alisher; Gernandt, Johannes; Thomsen, Stephan L.
    Published: 2007
    Publisher:  Univ., FEMM, Magdeburg

    Location:
    Universitätsbibliothek Braunschweig
    Signature:
    2859-5432
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    Universitäts- und Landesbibliothek Sachsen-Anhalt / Zentrale
    Signature:
    ZA 15240 (2007,16/28)
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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    W 1300 (2007.18)
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    Universität Potsdam, Universitätsbibliothek
    Signature:
    07008731
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Print
    Series: Working paper series / Otto von Guericke University, FEMM, Faculty of Economics and Management ; 2007,18
    Subjects: Migranten; Mehrsprachigkeit; Arbeitsmarktintegration; Einkommen; Deutschland; self-selection bias
    Scope: 26 S., graph. Darst.
    Notes:

    Literaturverz. S. 21 - 22
  8. Language usage, participation, employment and earnings
    evidence for foreigners in West Germany with multiple sources of selection
    Published: 27 Oct. 2008
    Publisher:  ZEW Zentrum für Europäische Wirtschaftsforschung, Mannheim

    Language proficiency may not only affect the earnings of the individual, but the probability to participate in the labor market or becoming employed as well. It may also affect selection of people into economic sector and occupation. In this paper,... more

    Location:
    Niedersächsische Staats- und Universitätsbibliothek Göttingen
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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    Language proficiency may not only affect the earnings of the individual, but the probability to participate in the labor market or becoming employed as well. It may also affect selection of people into economic sector and occupation. In this paper, the effects of language proficiency on earnings are analyzed for foreigners in Germany with joint consideration of up to four types of selection. The results show that language proficiency significantly increases participation and employment probability and affects occupational choice. When selection into economic sector and occupation is regarded, we do not find an impact of language ability on earnings thereby implying an indirect effect.

     
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    Content information
    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/27567
    Series: Discussion paper / ZEW ; 08-090
    Subjects: Migranten; Mehrsprachigkeit; Arbeitsmarktintegration; Einkommen; Deutschland; self-selection bias
    Scope: Online-Ressource (27 S.)
    Notes:

    Zsfassungen in dt. und engl. Sprache
  9. On the fade-away of an initial bias in longitudinal surveys
    Author: Rendtel, Ulrich; Alho, Juha M.
    Published: [2022]
    Publisher:  Freie Universität Berlin, Berlin

    We propose a novel view of selection bias in longitudinal surveys. Such bias may arise from initial nonresponse in a probability sample, or it may be caused by self-selection in an internet survey. A contraction theorem from mathematical demography... more

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    Verlag (kostenfrei)
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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    DS 79
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    We propose a novel view of selection bias in longitudinal surveys. Such bias may arise from initial nonresponse in a probability sample, or it may be caused by self-selection in an internet survey. A contraction theorem from mathematical demography is used to show that an initial bias can "fade-away" in later panel waves, if the transition laws in the observed sample and the population are identical. Panel attrition is incorporated into the Markovian framework. Extensions to Markov chains of higher order are given, and the limitations of our approach under population heterogeneity are discussed. We use empirical data from a German Labour Market Panel to demonstrate the extend and speed of the fade-away effect. The implications of the new approach on the treatment of nonresponse, and attrition weighting, are discussed.

     
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Online
    Other identifier:
    hdl: 10419/251119
    Series: Array ; 2022, 4
    Subjects: Longitudinal survey; panel survey; internet recruitment; panel attrition; nonresponse bias; self-selection bias; Markov chain; Mover-Stayer model; weak ergodicity
    Scope: 1 Online-Ressource (circa 28 Seiten), Illustrationen