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Karen Hamann

Biographic Data

ID6902553
NAMEKaren Hamann
GIVEN NAMESKaren
FAMILY NAMEHamann
SIGNATUREHAMANN K
AFFILIATIONSUniversity of Koblenz and Landau
ORCID0000-0002-4924-8440
VERIFIEDYes
TOTAL WORKS7
TOTAL CITATIONS20
AUTHOR COUNT7
EDITOR COUNT0
FIRST PUBLICATION YEAR2013
LATEST PUBLICATION YEAR2025
H-INDEX2
  • The Psychology of Collective Climate Action

    Open Access•Karen Hamann, Eva Junge et al.•BOOK•The Psychology of Collective…•2025

    How do we find the courage to act together against the climate crisis? This book weaves together real-life findings and examples from the socio-ecological movement with psychological research to show how motivation for collective climate action can be built. The book addresses two key questions: how can individuals be motivated to participate in collective climate action, and how can climate groups become resilient and effective? Specifically, it…

  • Cannabis use patterns, motivations, and reasons for abstinence in pregnancy

    Open Access•Lisa M Blair, Meghna Shukla et al.•ARTICLE•Frontiers in Psychiatry•2025

    This study highlights major research gaps and discusses clinical and policy implications of the findings and of perinatal cannabis

  • Inclusive community energy initiatives? Understanding involvement of different socio-demographic groups

    Open Access•Fleur Goedkoop, Lise Jans et al.•ARTICLE•Energy Research & Social Science•2025•References: 39

    In order for community energy initiatives (CEIs) to grow and contribute to a just and sustainable energy transition, citizens from different socio-demographic groups need to be involved. Initial evidence however shows that CEIs tend to be set up and led by relatively well-off, well-educated, older men. Less is known about socio-demographic differences in CEI membership and willingness to join, and what explains why demographic groups may differ i…

  • Klimabewegt, Die Psychologie von Klimaprotest und Engagement

    Open Access•Karen Hamann, Paula Blumenschein et al.•BOOK•Klimabewegt, Die Psychologie von…•2024

    Die Klimakrise kann nicht gelöst werden, indem nur Einzelne ihr Verhalten ändern. Wir brauchen einen systemischen Wandel - einen Wandel im Kollektiv. Dieser beginnt mit engagierten Menschen: Personen, die Petitionen veröffentlichen, die eine Freiwilligengruppe organisieren oder zivilen Ungehorsam ausüben. Doch wie erhalten diese Menschen den Mut aufrecht, sich für einen sozial-ökologischen Wandel einzusetzen? Wie begeistern sie andere? Und wie en…

  • An interdisciplinary understanding of energy citizenship

    Open Access•Karen Hamann, Maria P Bertel et al.•ARTICLE•Energy Research & Social Science•2023•Cited by: 11•References: 28

    Energy citizenship is an emerging concept in policy and practice. Yet scientific theorising around energy citizenship is scarce, and rarely bundled in interdisciplinary discourse. In this article, we present an interdisciplinary definition of energy citizenship as people's rights to and responsibilities for a just and sustainable energy transition. Energy citizenship contains multiple aspects and allows for various approaches, of which we zoom in…

  • My Influence on the World (of Others)

    Open Access•Karen R S Hamann, Karen Hamann et al.•ARTICLE•Journal of Social Issues•2020•Cited by: 9•References: 28

    Efficacy beliefs are important drivers of human behavior. In the sustainability domain, self‐, collective, and participatory efficacy tend to predict pro‐environmental behavior (PEB). Yet, few studies consider efficacy actors and goals simultaneously, and it is uncertain whether specific efficacy beliefs are more or less predictive of specific PEB types (i.e., private, public, or activist). Therefore, we implemented a 2 × 2 plus baseline design (…

  • Sticker in the Box! Object-Person Distance and Descriptive Norms as Means to Reduce Waste

    Open Access•Gerhard Reese, Daniel C Loeschinger et al.•ARTICLE•Ecopsychology•2013

    With a steadily growing population, waste management and reduction have become increasingly important issues. While many people refrain from acting in an environmentally friendly way, we suggest that the activation of corresponding environmental norms in combination with a low object-person distance may instigate waste reduction behavior. Drawing from predictions of social influence research and Lewin's field theory, we put “no-ads-please” sticke…

  • An interdisciplinary understanding of energy citizenship

    Open Access•Karen Hamann, Maria P Bertel et al.•ARTICLE•Energy Research & Social Science•2023•Cited by: 11•References: 28

    Energy citizenship is an emerging concept in policy and practice. Yet scientific theorising around energy citizenship is scarce, and rarely bundled in interdisciplinary discourse. In this article, we present an interdisciplinary definition of energy citizenship as people's rights to and responsibilities for a just and sustainable energy transition. Energy citizenship contains multiple aspects and allows for various approaches, of which we zoom in…

  • My Influence on the World (of Others)

    Open Access•Karen R S Hamann, Karen Hamann et al.•ARTICLE•Journal of Social Issues•2020•Cited by: 9•References: 28

    Efficacy beliefs are important drivers of human behavior. In the sustainability domain, self‐, collective, and participatory efficacy tend to predict pro‐environmental behavior (PEB). Yet, few studies consider efficacy actors and goals simultaneously, and it is uncertain whether specific efficacy beliefs are more or less predictive of specific PEB types (i.e., private, public, or activist). Therefore, we implemented a 2 × 2 plus baseline design (…

  • Sticker in the Box! Object-Person Distance and Descriptive Norms as Means to Reduce Waste

    Open Access•Gerhard Reese, Daniel C Loeschinger et al.•ARTICLE•Ecopsychology•2013

    With a steadily growing population, waste management and reduction have become increasingly important issues. While many people refrain from acting in an environmentally friendly way, we suggest that the activation of corresponding environmental norms in combination with a low object-person distance may instigate waste reduction behavior. Drawing from predictions of social influence research and Lewin's field theory, we put “no-ads-please” sticke…

  • My Influence on the World (of Others)

    Open Access•Karen R S Hamann, Karen Hamann et al.•ARTICLE•Journal of Social Issues•2020•Cited by: 9•References: 28

    Efficacy beliefs are important drivers of human behavior. In the sustainability domain, self‐, collective, and participatory efficacy tend to predict pro‐environmental behavior (PEB). Yet, few studies consider efficacy actors and goals simultaneously, and it is uncertain whether specific efficacy beliefs are more or less predictive of specific PEB types (i.e., private, public, or activist). Therefore, we implemented a 2 × 2 plus baseline design (…

  • An interdisciplinary understanding of energy citizenship

    Open Access•Karen Hamann, Maria P Bertel et al.•ARTICLE•Energy Research & Social Science•2023•Cited by: 11•References: 28

    Energy citizenship is an emerging concept in policy and practice. Yet scientific theorising around energy citizenship is scarce, and rarely bundled in interdisciplinary discourse. In this article, we present an interdisciplinary definition of energy citizenship as people's rights to and responsibilities for a just and sustainable energy transition. Energy citizenship contains multiple aspects and allows for various approaches, of which we zoom in…

  • Klimabewegt, Die Psychologie von Klimaprotest und Engagement

    Open Access•Karen Hamann, Paula Blumenschein et al.•BOOK•Klimabewegt, Die Psychologie von…•2024

    Die Klimakrise kann nicht gelöst werden, indem nur Einzelne ihr Verhalten ändern. Wir brauchen einen systemischen Wandel - einen Wandel im Kollektiv. Dieser beginnt mit engagierten Menschen: Personen, die Petitionen veröffentlichen, die eine Freiwilligengruppe organisieren oder zivilen Ungehorsam ausüben. Doch wie erhalten diese Menschen den Mut aufrecht, sich für einen sozial-ökologischen Wandel einzusetzen? Wie begeistern sie andere? Und wie en…

  • The Psychology of Collective Climate Action

    Open Access•Karen Hamann, Eva Junge et al.•BOOK•The Psychology of Collective…•2025

    How do we find the courage to act together against the climate crisis? This book weaves together real-life findings and examples from the socio-ecological movement with psychological research to show how motivation for collective climate action can be built. The book addresses two key questions: how can individuals be motivated to participate in collective climate action, and how can climate groups become resilient and effective? Specifically, it…

  • Cannabis use patterns, motivations, and reasons for abstinence in pregnancy

    Open Access•Lisa M Blair, Meghna Shukla et al.•ARTICLE•Frontiers in Psychiatry•2025

    This study highlights major research gaps and discusses clinical and policy implications of the findings and of perinatal cannabis

  • Inclusive community energy initiatives? Understanding involvement of different socio-demographic groups

    Open Access•Fleur Goedkoop, Lise Jans et al.•ARTICLE•Energy Research & Social Science•2025•References: 39

    In order for community energy initiatives (CEIs) to grow and contribute to a just and sustainable energy transition, citizens from different socio-demographic groups need to be involved. Initial evidence however shows that CEIs tend to be set up and led by relatively well-off, well-educated, older men. Less is known about socio-demographic differences in CEI membership and willingness to join, and what explains why demographic groups may differ i…

Political science (5 works) · Environmental Education and Sustainability (4 works) · Psychology (4 works) · Sociology (4 works) · Behavioral Health and Interventions (2 works) · Climate Change Communication and Perception (2 works) · Computer Science (2 works) · Energy (signal processing (2 works) · Energy and Environment Impacts (2 works) · Environmental Sustainability in Business (2 works)

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