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william web

Assistant Professor







2766 5710



Pro-environmental attitudes and behaviors;

Climate change perception and opinion;

Socio-ecological approach;

Conspiracy beliefs and intergroup processes;

Value transmission


My URLs:  


Research Gate

Google Scholar



Psychology and Aging


Research Interests:

Pro-environmental attitudes and behaviors;

Climate change opinions and perceptions;

Environmental psychology;

Socio-ecological psychology;

Conspiracy beliefs and intergroup processes


Selected Publications:

Environmental Psychology

Chan, H.-W. & Tam, K.-P. (2021). Do people’s assumption about the social world matter? The effects of social axioms on environmental attitudes and efficacies. Journal of Environmental Psychology, 75, 101598.


Chan, H.-W. (2020). When do values promote pro-environmental behavior? Multilevel evidence on the self-expression hypothesis. Journal of Environmental Psychology, 71, 101361.


Chan, H.-W., Pong, V., & Tam, K.-P. (2020). Explaining participation in Earth Hour: Identity perspectives and the theory of planned behavior, Climatic Change, 158, 309-325.


Chan, H.-W., Pong, V., & Tam, K.-P. (2019). Cross-national variation of gender differences in environmental concern: Testing the sociocultural hindrance hypothesis. Environment and Behavior, 51, 81-108.


Tam, K.-P.*, & Chan, H.-W.* (2018). Generalized trust narrows the gap between environmental concern and pro-environmental behavior: Multilevel evidence. Global Environmental Change, 48, 182-194. (*Equal authorship)


Tam, K.-P., & Chan, H.-W. (2017). Environmental concern has a weaker association with pro-environmental behavior in some societies than others: A cross-cultural psychology perspective. Journal of Environmental Psychology, 53, 213-223.


Social and Political Psychology

Chan, H.-W., Wang, S., Zuo, S., Chiu, C. P.-Y., Liu, L., Yiu, D. W., & Hong, Y. (2021). War against COVID-19: How is national identification linked with the adoption of disease-preventive behavior in China and the United States? Political Psychology. Advanced Online Publication. https://onlinelibrary.wiley.com/doi/full/10.1111/pops.12752


Chan, H.-W., Chiu, C. P.-Y., Zuo, S., Wang, S., Liu, L., & Hong, Y. (2021). Not so straightforward conspiracy beliefs in COVID-19. Humanities and Social Sciences Communication, 8, 1-10.


Chan, H.-W., & Tam, K.-P. (2016). Understanding the lack of parent-child value similarity: The role of perceived norms in value socialization in immigrant families. Journal of Cross-Cultural Psychology, 47, 651-669.


Current Research Projects:

  1. “Understanding conspiracy beliefs through the threat compensation and cultural perspectives”. Funded by General Research Fund, Research Grants Council, Hong Kong (2020/21). Role: Co-Investigator (Co-I).
  2. “Understanding the Psychological Underpinnings of Identities and Intergroup Relations during Socio-Political Transitions – The Case of Hong Kong.” Funded by Senior Research Fellow Scheme 2021/22 (Ref#: SRFS2122-4H01), Hong Kong Research Grant Council, Hong Kong. (January 1, 2022 to December 31, 2026). Role: Collaborator.


Editorial Board Member

Asian Journal of Social Psychology


Guest Editor

Journal of Pacific Rim Psychology: Special Issue on Conspiracy Theories about Infectious Diseases