is Íslenska en English

Lokaverkefni (Meistara)

Háskóli Íslands > Þverfræðilegt nám > Umhverfis- og auðlindafræði >

Vinsamlegast notið þetta auðkenni þegar þið vitnið til verksins eða tengið í það:

  • Titill er á ensku Predicting Household Food Waste Reduction: An exploratory study comparing and contrasting the Theory of Planned Behavior and Value Belief Norm theory
  • Meistara
  • This thesis is comprised of two parts. The first part, Part A, is a literature review and a detailed explanations of the methods used for data collection for the study which is presented in the second part. The second part, Part B, consists of a manuscript, intended for publication, which reports a study with the aims to compare and contrast the Theory of Planned Behavior (TPB) and Value Belief Norm (VBN) theory as predictors of household food waste. These two different theoretical approaches were chosen because of their differences and because they have been prominent in research of environmentally friendly behavior. The TPB assesses the intention of the individual to act, and the VBN theory moral obligation to act. Each theory consists of measureable sub-constructs, and by assessing how each of them relates to household food waste, it is possible to create programs that reduce such behavior. Since there has been little-to-no peer-reviewed research on the topic, the study was explorative in nature.
    Food waste is a global and complex environmental problem that affects all three pillars of sustainable development: environment, economic and social. Food waste has gathered much attention in research, albeit mostly in the macro context, such as measuring its global volume. Research focusing on food waste at the consumer level is fairly recent. Food waste is rooted in human behavior, and in order for effective and efficient interventions, it is important to identify the psychological antecedents of household food waste reduction. This exploratory study aims to investigate whether components of the Theory of Planned Behavior (TPB) and Value Belief Norm (VBN) theory are predictors of household food waste. Using an online questionnaire among university students (N = 391) we explored whether constructs of TPB and VBN theory could predict intention to reduce household food waste and self-reported food waste behavior. Results support the utility of the TPB model, but not the VBN theory, in predicting intention to reduce household food waste (R2 = 52.3%), with all core constructs of the TPB; attitude, subjective norm and perceived behavioral control, being significant predictors. When the two theories were combined to predict self-reported household food waste behavior, the VBN theory added significantly to the variance explained (R2 = 16.2%), due to self-transcendence and self-enhancement being significant predictors of behavior. This results demonstrate the utility of applying the TPB model as an intervention to reduce household food waste.

  • 30.1.2017

Skráarnafn Stærð AðgangurLýsingSkráartegund 
Sólrún Sigurðardóttir_MS ritgerð.pdf1.47 MBOpinnHeildartextiPDFSkoða/Opna
Sólrún yfirlýsing.png241.01 kBLokaðurYfirlýsingPNG