A MATTER OF TRUST?
Transcript of A MATTER OF TRUST?
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A MATTER OF TRUST?RISK COMMUNICATION AND LAY UNDERSTANDING OF SCIENCE
Agnieszka D. Hunka,
Roskilde University, University of Twente
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1997-2002 PsychologySocial psychologyVisual cues in radio commercials
2000-2004 Landscape ArchitectureUrban restorationsGarden City restoration project (my home town)
2004-2009 PhD in Environmental ScienceFlood risk perception and communicationParticipatory planning
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BACKGROUND INFO
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GMO, pesticide and food scares
Risk communicated by media
Risk mitigation and management decisions have
to be communicated
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WHY COMMUNICATE RISKS AT ALL?
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GENETICALLY MODIFIED ORGANISMS
GM organism: a plant (or an animal) whose genetic code
(DNA) was artificially modified by introduction of specific
DNA segments.
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GENETICALLY MODIFIED ORGANISMS IN EUROPE
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35% of Europeans believe that “ordinary tomatoes do not contain genes while genetically modified tomatoes do” (Eurobarometer study)
Amflora potato (made by BASF Plant Science) first approved in 2010, has been ruled out by the General Court of Europe in Dec. 2013
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GENETICALLY MODIFIED ORGANISMS IN EUROPE
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Risk perception – a subjective judgement over probability/severity of a threat
Perceived risk can differ significantly from objective, measurable risk
People fear things that are not objectively dangerous People underestimate chronic risk Risk is estimated with data “at hand” (availability)
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RISK PERCEPTION
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Voluntary? Novel? Known versus unknown (to science) Beneficial? Immediate effect or delayed in time? Direct personal costs? In line with our beliefs? From a trusted expert? Under control? Chronic? Natural?
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WHEN PERCEIVED RISK IS HIGH
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NovelNo scientific consensus Lack of scientific literacyUnnatural (phylogenetic distance between the GM
organism & its genes) Perceived benefits of gene technologyNot voluntary (GM labelling)
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WHY GM FOOD IS PERCEIVED AS RISKY?
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CASE STUDY:RISK COMMUNICATIONIN POPULAR MEDIA
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CASE STUDY
Séralini et al. (2012) study: “Long-term toxicity of a Roundup herbicide and a Roundup-tolerant genetically modified maize”
Sprague-Dawley rats fed: Monsanto Roundup-Ready® maize Roundup-Ready® maize + Roundup Roundup-spiked water and food Non-GM equivalents (control group)
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SERALINI ET AL. (2012) RESULTS
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SERALINI ET AL (2012) RESULTS
Study conclusions: Roundup-tolerant maize and Roundup provoked chronic
hormone and sex-dependent pathologies. Female mortality was 2–3 times increased. Males had liver congestions, necrosis, severe kidney
nephropathies and large tumors. This may be due to an endocrine disruption linked to
Roundup and a new metabolism due to the transgene
Gilles-Eric Séralini, Emilie Clair, Robin Mesnage, Steeve Gress, Nicolas Defarge, Manuela Malatesta, Didier Hennequin, Joël Spiroux de Vendômois, Long term toxicity
of a Roundup herbicide and a Roundup-tolerant genetically modified maize, Food and Chemical Toxicology, Volume 50, Issue 11, November 2012, Pages 4221-4231
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PEER (SCIENTIFIC) RESPONSE
SCIENTISTS SMELL A RAT
Quick reaction of the scientific community Two EFSA’s scientific opinions 18 letters to the editor of FaCT Scientific blogs, articles in Nature
and Science Article retracted in January 2014
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Unclear study objective Unclear methodology Flawed study design Problems with statistical methods used Unclear reporting of results
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PEER (SCIENTIFIC) RESPONSE
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Four British news pages: The Daily Mail, The Guardian, The Daily Telegraph, and BBC News
Four predefined criteria: wide accessibility without subscription extensive coverage of the Seralini Affair appearance in the top (most popular) search
results readily available readership profiles
Different target audiences – an overview of the British public
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(ENGLISH-SPEAKING) MEDIA COVERAGE
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“The problem with
communication is the illusion
that it has occurred.”
George Bernard Shaw
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The Daily Mail article: the most dramatised journalistic style
BBC News: educating the public
The Guardian: promoting a viewpoint
The Telegraph: is there a hidden agenda?
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IS GM SCARE CREATED BY MEDIA?
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How much impact do news articles have on our opinions? How stable is this impact over time? Is it possible to have truly independent scientists and
regulators? Are media scaremongering?
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CONCLUSIONS
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Impact of negative information
Science journalism and understanding of scientific
process
Genetic literacy
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WAY FORWARD?
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THANK YOU VERY MUCH!
ORhttps://www.survey-
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ORhttp://cream-itn.eu/projects/wp-4/risk