Hochschule für Angewandte Psychologie FHNW
Dauerhafte URI für den Bereichhttps://irf.fhnw.ch/handle/11654/1
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Publikation Eating green. Consumers’ willingness to adopt ecological food consumption behaviors(Elsevier, 12/2011) Tobler, Christina; Visschers, Vivianne; Siegrist, MichaelFood consumption is associated with various environmental impacts, and consumers’ food choices therefore represent important environmental decisions. In a large-scale survey, we examined consumers’ beliefs about ecological food consumption and their willingness to adopt such behaviors. Additionally, we investigated in more detail how different motives and food-related attitudes influenced consumers’ willingness to reduce meat consumption and to buy seasonal fruits and vegetables. We found consumers believed avoiding excessive packaging had the strongest impact on the environment, whereas they rated purchasing organic food and reducing meat consumption as least environmentally beneficial. Similarly, respondents appeared to be most unwilling to reduce meat consumption and purchase organic food. Taste and environmental motives influenced consumers’ willingness to eat seasonal fruits and vegetables, whereas preparedness to reduce meat consumption was influenced by health and ethical motives. Women and respondents who preferred natural foods were more willing to adopt ecological food consumption patterns.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Consumers’ knowledge about climate change(Springer, 11.01.2012) Tobler, Christina; Visschers, Vivianne; Siegrist, MichaelSeveral studies have unveiled various misconceptions about climate change that the public holds, for instance, confusion about climate change and ozone depletion. However, so far, there has been no uniform and standardized way to measure climate-related knowledge, which complicates comparisons between different countries or samples. To develop an extensive knowledge scale, we therefore examined the Swiss public’s understanding of climate change in a mail survey and related this scale to attitudes toward climate change. We thereby aimed to consider a broad range of climate-related knowledge, namely physical knowledge about CO2 and the greenhouse effect, knowledge about climate change and its causes, knowledge about the expected consequences of climate change, and action-related knowledge. The questionnaire included items of different degrees of difficulty, ranging from knowledge that is covered by newspapers to experts’ knowledge. Our findings indicate that people still hold several misconceptions, although people’s knowledge related to CO2 seems to have increased compared to previous studies. Of all knowledge subscales, knowledge about climate change and causes was most strongly related to attitudes toward climate change.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Organic tomatoes versus canned beans: How do consumers assess the Environmental Friendliness of Vegetables?(SAGE, 09.01.2011) Tobler, Christina; Visschers, Vivianne; Siegrist, MichaelThe assessment of a food product’s environmental friendliness is highly challenging for consumers because such an assessment requires the consideration of various product characteristics. Furthermore, products often show conflicting features. This study uses a choice task and a questionnaire to examine how consumers judge the environmental friendliness of several vegetables. The consumers’ assessment is compared with life cycle assessment (LCA) results, which represent the overall environmental impact of a product throughout its lifespan. In contrast to the LCA, consumers consider transportation distance rather than transportation mode and perceive organic production as very relevant for the environmental friendliness. Furthermore, consumers assess the environmental impact of packaging and conservation as more important than the LCA results show. Findings also suggest the current product information for vegetables is insufficient for judging their environmental friendliness. Implications for information campaigns and ecological food labeling are discussed.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Die Übertragung resistenter Bakterien von Lebensmitteln auf Menschen reduzieren(06/2012) Visschers, Vivianne; Freivogel, ClaudiaImmer mehr antimikrobielle Substanzen (z.B. Antibiotika) sind bei der Behandlung von verschiedensten Infektionskrankheiten unwirksam. Die Ursache sind antimikrobiell resistente Bakterien, welche der Wirkung von diesen Substanzen widerstehen. Seit 2017 wird im Rahmen des Nationalen Forschungsprogramms «Antimikrobielle Resistenzen» (NFP 72) nach Lösungen für dieses Problem gesucht. Forschende der Fachhochschule Nordwestschweiz und der Beratungsfirma SAFOSO haben im Rahmen des NFP 72 untersucht, wie Konsumentinnen und Konsumenten dazu stimuliert werden, die Übertragung resistenter Bakterien von Lebensmitteln auf Menschen zu reduzieren.01B - Beitrag in Magazin oder ZeitungPublikation It’s not easy being green: Wahrnehmung und Verhalten von Konsument*innen(07.04.2020) Visschers, Vivianne; Griesser, Simone06 - PräsentationPublikation Smaller servings vs. information provision: Results of two interventions to reduce plate waste in two university canteens(Elsevier, 2020) Visschers, Vivianne; Gundlach, Daniela; Beretta, ClaudioTwo interventions were systematically evaluated in two university canteens on their effectiveness to reduce visitors’ plate waste. The evaluation was theory-based and focused not only at the effects on the amount of plate waste, but also at the psychological predictors underlying plate waste behaviour. In Intervention A, visitors received information about food waste over a period of three weeks. In Intervention B, in addition to information, smaller servings were offered. The actual amount of plate waste and visitors’ attitudes, personal norms, beliefs, perceived behavioural control, intentions and plate waste reduction behaviour were measured before and after the interventions. Intervention B reduced the amount of plate waste by 20%, whereas no reduction was found after Intervention A. In both interventions, the provided information resulted in more positive beliefs and stronger personal norms regarding avoiding plate waste. The information also caused attitudes to have a stronger influence on plate waste reduction behaviour, whereas intention to reduce became less important for reducing plate waste. Personal norms regarding food waste were the strongest predictor of plate waste reduction behaviour, before and after the interventions. The provided information was thus insufficient to reduce plate waste, simply offering smaller servings could achieve this. Although our intervention study only included two university canteens and was conducted for a short period, our data seem to imply that a combination of both information and smaller servings reduces plate waste in the food service industry.01A - Beitrag in wissenschaftlicher ZeitschriftPublikation Episode 2: Tomaten, Konsumverhalten und Labels(28.01.2020) Visschers, Vivianne; Keller, ChristophWer im Winter Tomaten kauft, «erwirbt» pro Kilo Tomaten bis zu 9,2 Kilo CO2. CO2, das von der Heizung der Treibhäuser stammt, aus dem Transport, aus der Logistik. Das wissen die wenigsten, und die wenigsten reagieren überhaupt auf Labels, die Alternativen anbieten. Wer also trägt die Verantwortung - die Konsument*innen, die Grossvertreiler, der Staat? «treibhaus» befragt die Psychologin und Klimaexpertin Vivianne Visschers und Raphael Schilling, Nachhaltigkeitsverantwortlicher bei Coop Schweiz.10 - Elektronische-/ WebpublikationPublikation Developing an evidence-based intervention for lay people to reduce the risks of multiple antimicrobial resistance transmission pathways(28.03.2019) Freivogel, Claudia; Lechner, Isabel; Visschers, Vivianne06 - PräsentationPublikation Lebensmittel als mögliche Infektionsquelle von Antibiotikaresistenzen: Prädiktoren von präventivem Verhalten(27.09.2019) Freivogel, Claudia; Visschers, Vivianne06 - Präsentation
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