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  1. Article: Interview. »Macht lässt uns die Welt mit anderen Augen sehen«. Wie kann man verhindern, dass Führungspersonen ihren Einfluss zum eigenen Vorteil missbrauchen? Der Psychologe Joris Lammers von der Universität zu Köln zeigt Wege auf

    Lammers, Joris

    Gehirn & Geist

    2016  Volume -, Issue 8, Page(s) 20

    Language German
    Document type Article
    ZDB-ID 2072879-7
    ISSN 1618-8519
    Database Current Contents Medicine

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 5667: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
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  2. Article ; Online: Collective nostalgia and political ideology.

    Lammers, Joris

    Current opinion in psychology

    2023  Volume 52, Page(s) 101607

    Abstract: Collective nostalgia is a form of nostalgia that is contingent upon thinking of oneself in terms of a particular social identity. Research has focused in particular on collective nostalgia for a nation's past. Here, I propose that conservatives and ... ...

    Abstract Collective nostalgia is a form of nostalgia that is contingent upon thinking of oneself in terms of a particular social identity. Research has focused in particular on collective nostalgia for a nation's past. Here, I propose that conservatives and others on the right side of the political spectrum experience stronger collective nostalgia for their nation's past than liberals and those on the left. I first explain the roots of this prediction in conservative political philosophy, review empirical evidence in favor of that idea, and summarize findings that show the significance of this link for policy support. Finally, I review and discuss evidence that qualifies the link between conservatism and collective nostalgia.
    MeSH term(s) Humans ; Social Identification ; Politics ; Policy
    Language English
    Publishing date 2023-05-27
    Publishing country Netherlands
    Document type Journal Article ; Review ; Research Support, Non-U.S. Gov't
    ZDB-ID 2831565-0
    ISSN 2352-2518 ; 2352-250X ; 2352-250X
    ISSN (online) 2352-2518 ; 2352-250X
    ISSN 2352-250X
    DOI 10.1016/j.copsyc.2023.101607
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Book ; Online ; Thesis: Bridging the Divide: The Role of the Past in Understanding and Overcoming Ideological Differences

    Schulte, Anna [Verfasser] / Lammers, Joris [Gutachter] / Alves, Hans [Gutachter]

    2024  

    Author's details Anna Schulte ; Gutachter: Joris Lammers, Hans Alves
    Keywords Psychologie ; Psychology
    Subject code sg150
    Language English
    Publisher Universitäts- und Stadtbibliothek Köln
    Publishing place Köln
    Document type Book ; Online ; Thesis
    Database Digital theses on the web

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  4. Book ; Online ; Thesis: Confronting Consumers‘ Complicity: Psychological Reactions to Causal Involvement in Sweatshop Labor

    Messer, Mario Verfasser] / [Imhoff, Roland [Gutachter] / Lammers, Joris [Gutachter]

    2022  

    Author's details Mario Messer ; Gutachter: Roland Imhoff, Joris Lammers
    Keywords Psychologie ; Psychology
    Subject code sg150
    Language English
    Publisher Universitäts- und Stadtbibliothek Köln
    Publishing place Köln
    Document type Book ; Online ; Thesis
    Database Digital theses on the web

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  5. Article ; Online: Power and moral thinking.

    Fleischmann, Alexandra / Lammers, Joris

    Current opinion in psychology

    2019  Volume 33, Page(s) 23–27

    Abstract: This review synthesizes research on how feelings of power affect the processing of moral information. Although power is typically viewed as a potentially corruptive force that reduces our morality, we propose that power amplifies moral thinking - but ... ...

    Abstract This review synthesizes research on how feelings of power affect the processing of moral information. Although power is typically viewed as a potentially corruptive force that reduces our morality, we propose that power amplifies moral thinking - but does so in different ways that potentially run in opposite directions. Building on the Moral Orientation Scale framework [1
    MeSH term(s) Humans ; Morals ; Power, Psychological ; Social Behavior ; Thinking/physiology
    Language English
    Publishing date 2019-06-27
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 2831565-0
    ISSN 2352-2518 ; 2352-250X ; 2352-250X
    ISSN (online) 2352-2518 ; 2352-250X
    ISSN 2352-250X
    DOI 10.1016/j.copsyc.2019.06.008
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Why People Hate Congress but Love Their Own Congressperson: An Information Processing Explanation.

    Lammers, Joris / Pauels, Eileen / Fleischmann, Alexandra / Galinsky, Adam D

    Personality & social psychology bulletin

    2021  Volume 48, Issue 3, Page(s) 412–425

    Abstract: Citizens in Western democracies often have negative attitudes toward political bodies, yet consistently re-elect their own representatives to these same political bodies. They hate Congress, but love their own congressperson. In contrast to resource- ... ...

    Abstract Citizens in Western democracies often have negative attitudes toward political bodies, yet consistently re-elect their own representatives to these same political bodies. They hate Congress, but love their own congressperson. In contrast to resource-based explanations, we propose that this
    MeSH term(s) Attitude ; Cognition ; Hate ; Humans ; Love ; Politics
    Language English
    Publishing date 2021-04-17
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2047603-6
    ISSN 1552-7433 ; 0146-1672
    ISSN (online) 1552-7433
    ISSN 0146-1672
    DOI 10.1177/01461672211002336
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Correcting misperceptions of exponential coronavirus growth increases support for social distancing.

    Lammers, Joris / Crusius, Jan / Gast, Anne

    Proceedings of the National Academy of Sciences of the United States of America

    2020  Volume 117, Issue 28, Page(s) 16264–16266

    Abstract: The most effective way to stem the spread of a pandemic such as coronavirus disease 2019 (COVID-19) is social distancing, but the introduction of such measures is hampered by the fact that a sizeable part of the population fails to see their need. Three ... ...

    Abstract The most effective way to stem the spread of a pandemic such as coronavirus disease 2019 (COVID-19) is social distancing, but the introduction of such measures is hampered by the fact that a sizeable part of the population fails to see their need. Three studies conducted during the mass spreading of the virus in the United States toward the end of March 2020 show that this results partially from people's misperception of the virus's exponential growth in linear terms and that overcoming this bias increases support for social distancing. Study 1 shows that American participants mistakenly perceive the virus's exponential growth in linear terms (conservatives more so than liberals). Studies 2 and 3 show that instructing people to avoid the exponential growth bias significantly increases perceptions of the virus's growth and thereby increases support for social distancing. Together, these results show the importance of statistical literacy to recruit support for fighting pandemics such as the coronavirus.
    MeSH term(s) Betacoronavirus ; Bias ; COVID-19 ; Communicable Disease Control/methods ; Coronavirus Infections/prevention & control ; Health Knowledge, Attitudes, Practice ; Humans ; Pandemics/prevention & control ; Physical Distancing ; Pneumonia, Viral/prevention & control ; Public Opinion ; SARS-CoV-2 ; United States
    Keywords covid19
    Language English
    Publishing date 2020-06-24
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2006048117
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1148: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  8. Article ; Online: Power Affects Sexual Assertiveness and Sexual Esteem Equally in Women and Men.

    Lammers, Joris / Stoker, Janka I

    Archives of sexual behavior

    2018  Volume 48, Issue 2, Page(s) 645–652

    Abstract: Common stereotypes hold that men and women differ strongly in their attitudes toward sex and that such differences are amplified by social power. In contrast, an emerging literature suggests that social power affects both sexes similarly, thus ... ...

    Abstract Common stereotypes hold that men and women differ strongly in their attitudes toward sex and that such differences are amplified by social power. In contrast, an emerging literature suggests that social power affects both sexes similarly, thus potentially attenuating differences between the sexes. Four samples obtained in the Netherlands, the U.S., Britain, and South-East Asia (total N = 1985) test the effect of social power (operationalized as self-reported amount of power over others at the work place) on validated self-report measures of sexual assertiveness and sexual esteem. Across all samples, power was associated with greater sexual assertiveness and sexual esteem-equally for men and women. Furthermore, effects of power were larger and more consistent than differences between men and women. These findings add to an emerging literature, suggesting that often-observed differences between male and female sexuality actually reflect power differences. This suggests that such differences decrease with greater social equality.
    MeSH term(s) Asia, Southeastern ; Assertiveness ; Europe ; Female ; Humans ; Male ; Men/psychology ; Power, Psychological ; Sexual Behavior/psychology ; Social Dominance ; United States ; Women/psychology
    Language English
    Publishing date 2018-08-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 184221-3
    ISSN 1573-2800 ; 0004-0002
    ISSN (online) 1573-2800
    ISSN 0004-0002
    DOI 10.1007/s10508-018-1285-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 1106: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  9. Article ; Online: Past-focused temporal communication overcomes conservatives' resistance to liberal political ideas.

    Lammers, Joris / Baldwin, Matt

    Journal of personality and social psychology

    2018  Volume 114, Issue 4, Page(s) 599–619

    Abstract: Nine studies and a meta-analysis test the role of past-focused temporal communication in reducing conservatives' disagreement with liberal political ideas. We propose that conservatives are more prone to warm, affectionate, and nostalgic feelings for ... ...

    Abstract Nine studies and a meta-analysis test the role of past-focused temporal communication in reducing conservatives' disagreement with liberal political ideas. We propose that conservatives are more prone to warm, affectionate, and nostalgic feelings for past society. Therefore, they are more likely to support political ideas-including those expressing liberal values-that can be linked to a desirable past state (past focus), rather than a desirable future state (future focus) of society. Study 1 supports our prediction that political conservatives are more nostalgic for the past than liberals. Building on this association, we demonstrate that communicating liberal ideas with a past focus increases conservatives' support for leniency in criminal justice (Studies 2a and 2b), gun control (Study 3), immigration (Study 4), social diversity (Study 5), and social justice (Study 6). Communicating messages with a past focus reduced political disagreement (compared with a future focus) between liberals and conservatives by between 30 and 100% across studies. Studies 5 and 6 identify the mediating role of state and trait nostalgia, respectively. Study 7 shows that the temporal communication effect only occurs under peripheral (and not central) information processing. Study 8 shows that the effect is asymmetric; a future focus did not increase liberals' support for conservative ideas. A mixed-effects meta-analysis across all studies confirms that appealing to conservatives' nostalgia with a past-focused temporal focus increases support for liberal political messages (Study 9). A large portion of the political disagreement between conservatives and liberals appears to be disagreement over style, and not content of political issues. (PsycINFO Database Record
    MeSH term(s) Adult ; Communication ; Female ; Humans ; Male ; Politics
    Language English
    Publishing date 2018-01-11
    Publishing country United States
    Document type Journal Article ; Meta-Analysis
    ZDB-ID 3103-3
    ISSN 1939-1315 ; 0022-3514
    ISSN (online) 1939-1315
    ISSN 0022-3514
    DOI 10.1037/pspi0000121
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.B 1451: Show issues Location:
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  10. Article ; Online: Leading and Working From Home in Times of COVID-19: On the Perceived Changes in Leadership Behaviors.

    Stoker, Janka I / Garretsen, Harry / Lammers, Joris

    Journal of leadership & organizational studies

    2020  Volume 29, Issue 2, Page(s) 208–218

    Abstract: Due to the COVID-19 crisis, managers and employees in many organizations suddenly are forced to work from home. Although working from home (WFH) is not a new phenomenon, it is new in its current scale and scope because of COVID-19. Against this ... ...

    Abstract Due to the COVID-19 crisis, managers and employees in many organizations suddenly are forced to work from home. Although working from home (WFH) is not a new phenomenon, it is new in its current scale and scope because of COVID-19. Against this background, we investigate the effect of WFH during the COVID-19 crisis on changes in leadership behaviors, and associated changes in perceived manager quality and productivity, at different hierarchical levels in organizations. Based on the literature, we develop two predictions in opposite directions. On the one hand, implementing WFH may force managers to show less direction and control and especially more delegation. On the other hand, research into the effects of exogenous shocks such as COVID-19, suggests that managers may become more controlling and delegate less. Consistent with the first prediction, we find that managers perceive they execute significantly less control and delegate more. Employees also perceive a significant decrease in control, however they perceive on average no change in delegation. Furthermore, and in line with the second prediction, employees of lower-level managers even report a significant decrease in delegation. Finally, our results show that increased delegation is associated with increased perceived productivity and higher manager quality. Together, these results suggest that in the context of the COVID-19 crisis, the effectiveness of WFH might be hampered by the fact that required changes in leadership behaviors, in particular in delegation, are difficult to realize in times of crisis.
    Language English
    Publishing date 2020-03-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2168520-4
    ISSN 1939-7089 ; 1548-0518 ; 1071-7919
    ISSN (online) 1939-7089
    ISSN 1548-0518 ; 1071-7919
    DOI 10.1177/15480518211007452
    Database MEDical Literature Analysis and Retrieval System OnLINE

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