Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems

Stock-flow failure is a reasoning error in dynamic systems that has great societal relevance: people misjudge a level of accumulation (i.e., stock) considering the information on flows that increase (i.e., inflow) or decrease (i.e., outflow) over time. Many interventions, including the use of analog...

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Main Authors: Cleotilde Gonzalez, Maria-Isabel Sanchez-Segura, German-Lenin Dugarte-Peña, Fuensanta Medina-Dominguez
Format: Article
Language:English
Published: University Library Heidelberg 2018-12-01
Series:Journal of Dynamic Decision Making
Subjects:
Online Access:https://journals.ub.uni-heidelberg.de/index.php/jddm/article/view/49607
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author Cleotilde Gonzalez
Maria-Isabel Sanchez-Segura
German-Lenin Dugarte-Peña
Fuensanta Medina-Dominguez
author_facet Cleotilde Gonzalez
Maria-Isabel Sanchez-Segura
German-Lenin Dugarte-Peña
Fuensanta Medina-Dominguez
author_sort Cleotilde Gonzalez
collection DOAJ
description Stock-flow failure is a reasoning error in dynamic systems that has great societal relevance: people misjudge a level of accumulation (i.e., stock) considering the information on flows that increase (i.e., inflow) or decrease (i.e., outflow) over time. Many interventions, including the use of analogies and graphical manipulations, to counteract this failure and help people integrate the flow information have been tested with little or no success. We suggest that this error relates to the valence of a problem: the framing of the inflow or outflow direction as “good” or “bad” is associated with the direction of its accumulation over time. To explore the effects of valence on accumulation judgments, we employ a scenario of a common health problem: blood glucose control through sugar consumption and insulin flows. We also investigate improvements of performance in a second scenario that result after viewing a video of a dynamic system demonstrating the effects of the correct accumulation trend. We discuss the implications of our findings for the blood glucose example and other global problems.
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spelling doaj.art-88a3f8ab15da47e5886cb6fe8a66596c2022-12-22T03:35:40ZengUniversity Library HeidelbergJournal of Dynamic Decision Making2365-80372018-12-014110.11588/jddm.2018.1.4960749607Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global ProblemsCleotilde Gonzalez0Maria-Isabel Sanchez-Segura1German-Lenin Dugarte-Peña2Fuensanta Medina-Dominguez3Carnegie Mellon University, United StatesUniversidad Carlos III de Madrid, SpainUniversidad Carlos III de Madrid, SpainUniversidad Carlos III de Madrid, SpainStock-flow failure is a reasoning error in dynamic systems that has great societal relevance: people misjudge a level of accumulation (i.e., stock) considering the information on flows that increase (i.e., inflow) or decrease (i.e., outflow) over time. Many interventions, including the use of analogies and graphical manipulations, to counteract this failure and help people integrate the flow information have been tested with little or no success. We suggest that this error relates to the valence of a problem: the framing of the inflow or outflow direction as “good” or “bad” is associated with the direction of its accumulation over time. To explore the effects of valence on accumulation judgments, we employ a scenario of a common health problem: blood glucose control through sugar consumption and insulin flows. We also investigate improvements of performance in a second scenario that result after viewing a video of a dynamic system demonstrating the effects of the correct accumulation trend. We discuss the implications of our findings for the blood glucose example and other global problems.https://journals.ub.uni-heidelberg.de/index.php/jddm/article/view/49607Correlation HeuristicStock-Flow FailureSystem BehaviourValence Effect
spellingShingle Cleotilde Gonzalez
Maria-Isabel Sanchez-Segura
German-Lenin Dugarte-Peña
Fuensanta Medina-Dominguez
Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems
Journal of Dynamic Decision Making
Correlation Heuristic
Stock-Flow Failure
System Behaviour
Valence Effect
title Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems
title_full Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems
title_fullStr Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems
title_full_unstemmed Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems
title_short Valence Matters in Judgments of Stock Accumulation in Blood Glucose Control and Other Global Problems
title_sort valence matters in judgments of stock accumulation in blood glucose control and other global problems
topic Correlation Heuristic
Stock-Flow Failure
System Behaviour
Valence Effect
url https://journals.ub.uni-heidelberg.de/index.php/jddm/article/view/49607
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AT germanlenindugartepena valencemattersinjudgmentsofstockaccumulationinbloodglucosecontrolandotherglobalproblems
AT fuensantamedinadominguez valencemattersinjudgmentsofstockaccumulationinbloodglucosecontrolandotherglobalproblems