Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    A complex system approach to address world challenges in food and agriculture
    Mil, H.G.J. van; Foegeding, E.A. ; Windhab, E.J. ; Perrot, N. ; Linden, E. van der - \ 2014
    Trends in Food Science and Technology 40 (2014)1. - ISSN 0924-2244 - p. 20 - 32.
    whey-protein isolate - egg-white protein - biology - robustness - perception - judgment - science - obesity
    The quality and amount of the world food supply is crucial to the well-being of every human on the planet in the basic sense that we need food to live. It also has a profound impact on world economy, international trade, and global political stability. The choice of land used for agriculture, and the livestock and plants raised on the land, will impact the sustainable use of global resources. On a global scale, there are communities where insufficient food causes nutritional deficiencies, and at the same time, there are other communities eating too much food leading to obesity. Both conditions have accompanying diseases with associated financial consequences. The above issues relate to various scales, from local to global, and to a range of scientific disciplines. Moreover, their various elements are part of an interdependent, continuously changing, and adaptive system. This implies that the response of a combination of individual elements cannot usually be inferred from the response of each individual element or subsystem. This makes the identification of an appropriate intervention to change one or more elements a complex problem. We propose that a complex system approach should be used to address the global challenges of the agriculture and food system. The complex system approach accounts for the needs of stakeholders and policymakers in the agriculture and food system, and helps to determine which research programs will enable stakeholders to better anticipate and respond to emerging developments in the world. Moreover, the approach will enable them to determine effective intervention strategies to simultaneously optimise and safeguard their interests and the interests of the environment. The approach is formulated in terms of a roadmap of procedures. It encompasses an array of methods utilised in an integrative multi-scale and inter-disciplinary way
    Perceiving Pure Evil: The Influence of Cognitive Load and Prototypical Evilness on Demonizing
    Prooijen, J.W. van; Veer, E. van de - \ 2010
    Social Justice Research 23 (2010)4. - ISSN 0885-7466 - p. 259 - 271.
    social categorizations - punishment - judgment - justice
    The present research sought to investigate the psychological dynamics underlying demonizing, that is, the tendency to see others as personifications of pure evilness. Building on an integrative theoretical framework, it is hypothesized that the extent to which a perpetrator matches prototypical expectations of evilness shapes demonizing responses to offenders particularly when cognitive resources are impaired. In two experiments, participants were asked to memorize either a difficult or an easy telephone number (cognitive load vs. control), and were then asked to evaluate a perpetrator who murdered a young woman (Experiment 1) or who kidnapped a child (Experiment 2). Results revealed that the extent to which the description of the perpetrator was consistent with a prototypical evilness scheme influenced demonizing particularly under conditions of cognitive load. It is concluded that impairment of cognitive resources increases the influence of prototypical evilness on demonizing
    Diversity in the determinants of food choice: A psychological perspective
    Köster, E.P. - \ 2009
    Food Quality and Preference 20 (2009)2. - ISSN 0950-3293 - p. 70 - 82.
    unconscious emotion - liking scores - flavor memory - judgment - prediction - probability - preferences - consistency - mechanisms - childhood
    Eating, drinking and food choices are among the most frequent human behaviours. Although seemingly simple, they are complex behaviours that are determined by many factors and their interactions. The complexity of the research field stresses the necessity to attack problems in an interdisciplinary way. Unfortunately, truly interdisciplinary approaches are still rare in both sensory and consumer research. Although the number of publications has grown rapidly. there is little methodological progress and Much repetition of easy mono-disciplinary research. Furthermore. and perhaps worst of all, there is very little influx from the fascinating fundamental insights about human behaviour gained over the last two decennia in physiology and psychology. Thus, findings about intuitive reasoning and the clear demonstration of the unconscious nature of most of our decision making do not seem to have touched sensory and consumer research, although they probably play a more important role in food-related behaviour than anywhere else. Instead, people still strongly adhere to theories like the theory of reasoned action and planned behaviour that are based on the idea of rational and conscious decision making and have come under severe criticism on the basis of their low predictive validity, their weak methodology and their strong theoretical bias. Past behaviour, habit and hedonic appreciation are usually better predictors of actual food choice behaviour than psychological constructs like attitudes and intentions. New insights and especially the realisation that much decision making occurs at a non-conscious level, should lead to a rethinking of the methods used in sensory and consumer research. Situational analysis, observational methods and memory and expectation research have the advantage that they leave the interactive integration of the behaviour determinants with the subject, where it belongs, instead of dissecting and reconstructing it via isolated single factor research.
    Improving Attribute-Importance Measurement : a Reference-Point Approach
    Ittersum, K. van; Pennings, J.M.E. ; Wansink, B. ; Trijp, J.C.M. van - \ 2004
    Advances in Consumer Research 31 (2004)1. - ISSN 0098-9258 - p. 84 - 85.
    loss aversion - reference dependence - choice - judgment - decision - model
    Despite the importance of identifying the hierarchy of product attributes that drive judgment and choice, the many available methods remain limited regarding their convergent validity and test-retest reliability. To increase the validity and reliability of attribute-importance measurement, we focus on the central antecedent of the importance of product attributes in judgment and choice: consumers' valuation curve of an attribute - the idiosyncratic valuation of an attribute at different attribute levels relative to consumers' reference points. We propose two new attribute-importance measures that reflect the determinance and the relevance of an attribute respectively, and show that accounting for the effects of reference points increases the predictive validity of attribute-determinance measures.
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