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Percepción por los expertos de la función de densidad de probabilidad de los rendimientos de cultivos

Authors: Clop I Gallart, M. Merce; Juarez Rubio, Francisco;

Percepción por los expertos de la función de densidad de probabilidad de los rendimientos de cultivos

Abstract

En la literatura sobre determinación subjetiva de funciones de densidad de probabilidad (f.d.p.) de rendimientos de cultivos, se ha señalado que los agricultores tienden a percibir f.d.p. muy «estrechas» (con varianza baja), un resultado que coincide con el señalado en otros contextos experimentales. En este trabajo se ha constatado que investigadores y expertos en producción vegetal tienen también una pobre percepción de la forma de la f.d.p. Este sesgo en la percepción de la f.d.p. sería compartido por agricultores y expertos, estos últimos con una buena formación estadística. Sin embargo ambos grupos realizan un trabajo diario exitoso que implica frecuentemente discriminar entre f.d.p. de rendimientos de cultivos.

The literature on the subjective elicitation of crop yield probability density functions (PDF) points out that farmers have a tendency to perceive very tight PDF, a result with concors with finding found in other experimental contexts. This study demonstrates that both academic and research experts in pant production have a poor perception of what PDF is really like. This bias is shared by farmers and experts alike, the latter with a solid statistical background. However, both groups carry out their work every day successfully, despite the fact that it frequently involves the distinction between different crop yield PDF's.

Keywords

Estimación subjetiva de f.d.p., Conreu, Heurística, Rendimientos de cultivos, Estimacion subjectiva de f.d.p., rendimientos de cultivos, sesgos, heuristica, expertos agricolas, subjective PDF elicitation, crop yields, bias, heuristics, agrarian experts, Crop Production/Industries, Research Methods/ Statistical Methods,, Sesgos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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