Using commitment to improve environmental quality
Lokhorst, A.M.
Citation
Lokhorst, A. M. (2009, September 17). Using commitment to improve environmental quality. Kurt Lewin Institute Dissertation Series. DTP:
Textcetera, Den Haag. Retrieved from https://hdl.handle.net/1887/13998
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License: Licence agreement concerning inclusion of doctoral thesis in the Institutional Repository of the University of Leiden
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Using Commitment to Improve Environmental Quality
Using Commitment to Improve Environmental Quality
Proefschrift ter verkrijging van
de graad van Doctor aan de Universiteit Leiden,
op gezag van Rector Magnificus prof. mr. P. F. van der Heijden,
volgens besluit van het College voor Promoties
te verdedigen op donderdag 17 september 2009
klokke 13.45 uur
door
Anne Marike Lokhorst geboren te Amsterdam
in 1980
Promotiecommissie
Promotoren Prof. Dr. E. van Dijk (Universiteit Leiden) Prof. Dr. G. R. de Snoo (Universiteit Leiden) Co-promotor Dr. H. Staats (Universiteit Leiden)
Overige leden Prof. Dr. N. Ellemers (Universiteit Leiden)
Prof. Dr. C. J. H. Midden (Technische Universiteit Eindhoven) Prof. Dr. J. Thøgersen (Aarhus University)
This research was financially supported by the Netherlands Organization for Scientific Research (NWO), program Social Scientific Research on the Environment and Nature (GaMON).
ISBN: 978-90-76269-77-1 DTP: Textcetera, The Hague.
Cover design: Bureau Stijlzorg, Utrecht.
Cover picture: www.shutterstock.com.
Contents
Chapter 1 Using Commitment to Improve Environmental Quality:
an Introduction 7
Chapter 2 A Social-Cognitive Explanation Of Motivational Differences Between Farmers’ Subsidized And Non-Subsidized Nature Conservation Practices 15 Method 21 Results 23
General Discussion 26
Chapter 3 Using Tailored Information and Public Commitment to Improve the Environmental Quality of Farm Lands 29 Method 34 Results 37
General Discussion 41
Chapter 4 Public Commitment Making as a Structural Solution in Social Dilemmas 45
Method Study 1 52
Results Study 1 53
Method Study 2 55
Results Study 2 56
General Discussion 58
Chapter 5 A Review of Commitment Making Strategies in Environmental Research 61 Theory 64 Environmental studies that use a commitment manipulation 70 Comparing environmental studies to theory 83 Conclusion 87
Chapter 6 General Discussion 89
References 97
Nederlandse samenvatting 105
Acknowledgements 109
Curriculum Vitae 111
