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People's reliance on the affect heuristic may result in a biased perception of gene technology

机译：人们对情感启发式的依赖可能导致对基因技术的偏见

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摘要

In an experiment, we demonstrated that the same outcome of a new corn variety was evaluated less positively if it was from gene technology (GT) compared with conventional breeding technology (CT). The participants (N = 205) were randomly assigned to one of two experimental conditions-GT or CT. In the first step, the participants' affect associated with GT or CT plants was measured. Then, the participants read a hypothetical scenario about a new genetically modified (GT condition) or conventionally produced (CT condition) corn variety that was more resistant to the corn borer. They were presented with a matrix in which 1976 black (50%) and white (50%) cells were randomly scattered. The participants were informed that each cell represented a test plot and that the corn plants in the white test plots were not damaged by the corn borer. The participants were then asked to estimate the percentage of the plots infested by the corn borer and how effective they perceived the new corn variety was in resisting the pest. The results indicated that the participants assigned to the GT condition perceived the new corn variety as significantly less effective compared with the participants assigned to the CT condition. No significant difference was observed for estimated percentages. The results suggest that the difference in perceived effectiveness between genetically modified and conventionally bred corn can be explained by people's reliance on the affect heuristic. (C) 2016 Elsevier Ltd. All rights reserved.
机译：在一个实验中，我们证明了与传统育种技术（CT）相比，如果来自基因技术（GT），则对新玉米品种的相同结果评价不那么积极。参与者（N = 205）被随机分配到两个实验条件之一（GT或CT）中。第一步，测量参与者与GT或CT植物相关的影响。然后，参与者阅读一种关于新的转基因（GT条件）或常规生产（CT条件）玉米品种的假设情景，该品种对玉米bore的抵抗力更高。他们被呈现出一个矩阵，其中1976个黑色（50％）和白色（50％）细胞被随机分散。参与者被告知，每个单元代表一个试验区，白色试验区中的玉米植株未受到玉米bore的伤害。然后要求参与者估计被玉米r虫侵害的地块的百分比，以及他们认为新的玉米品种在抵抗病虫害方面的效果如何。结果表明，与分配给CT条件的参与者相比，分配给GT条件的参与者认为新玉米品种的有效性显着降低。估计百分比没有观察到显着差异。结果表明，转基因玉米和常规育种玉米在感知效果上的差异可以通过人们对情感启发式的依赖来解释。 （C）2016 Elsevier Ltd.保留所有权利。

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