Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence

Pseudoscientific beliefs, including vaccine-related and other types of conspiracy theories, are often formed through reliance on personal anecdotes shared by people with similar belief sets. In the present study, we explore one aspect of pseudoscientific versus scientific reasoning by studying the d...

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Main Authors: Jenny Nissel, Jacqueline D. Woolley
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-03-01
Series:Frontiers in Developmental Psychology
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Online Access:https://www.frontiersin.org/articles/10.3389/fdpys.2024.1324704/full
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author Jenny Nissel
Jacqueline D. Woolley
author_facet Jenny Nissel
Jacqueline D. Woolley
author_sort Jenny Nissel
collection DOAJ
description Pseudoscientific beliefs, including vaccine-related and other types of conspiracy theories, are often formed through reliance on personal anecdotes shared by people with similar belief sets. In the present study, we explore one aspect of pseudoscientific versus scientific reasoning by studying the development of the use of anecdotal versus statistical evidence. To do so, we asked 7 and 10-year-olds and adults to help an agent solve a problem by choosing one of two potential solutions, one supported by an anecdote and one by a graph. Results revealed significant age differences, with older participants more likely to value the graphical over the anecdotal evidence. Participants who chose the anecdotal solution frequently justified their choices by referring to either an inferred causal relationship between the chosen solution and the outcome or to the characteristics of the person who provided the anecdote. Participants who chose the graphical solution frequently referred to quantity. Our findings suggest that both a greater valuation of statistical information and an increased ability to reflect critically about causal relationships may be critical in resisting the persuasive power of anecdotes, and hence, in making valid evidence-based decisions.
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spelling doaj-art-5f0cfa5bcd1042e5b6043dec2cba63db2024-11-29T12:50:02ZengFrontiers Media S.A.Frontiers in Developmental Psychology2813-77792024-03-01210.3389/fdpys.2024.13247041324704Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidenceJenny Nissel0Jacqueline D. Woolley1Wheelock College of Education and Human Development, Boston University, Boston, MA, United StatesDepartment of Psychology, The University of Texas at Austin, Austin, TX, United StatesPseudoscientific beliefs, including vaccine-related and other types of conspiracy theories, are often formed through reliance on personal anecdotes shared by people with similar belief sets. In the present study, we explore one aspect of pseudoscientific versus scientific reasoning by studying the development of the use of anecdotal versus statistical evidence. To do so, we asked 7 and 10-year-olds and adults to help an agent solve a problem by choosing one of two potential solutions, one supported by an anecdote and one by a graph. Results revealed significant age differences, with older participants more likely to value the graphical over the anecdotal evidence. Participants who chose the anecdotal solution frequently justified their choices by referring to either an inferred causal relationship between the chosen solution and the outcome or to the characteristics of the person who provided the anecdote. Participants who chose the graphical solution frequently referred to quantity. Our findings suggest that both a greater valuation of statistical information and an increased ability to reflect critically about causal relationships may be critical in resisting the persuasive power of anecdotes, and hence, in making valid evidence-based decisions.https://www.frontiersin.org/articles/10.3389/fdpys.2024.1324704/fullcognitive developmentpseudosciencecausal reasoninganecdotal evidencestatistical evidence
spellingShingle Jenny Nissel
Jacqueline D. Woolley
Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence
Frontiers in Developmental Psychology
cognitive development
pseudoscience
causal reasoning
anecdotal evidence
statistical evidence
title Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence
title_full Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence
title_fullStr Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence
title_full_unstemmed Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence
title_short Anecdata: children’s and adults’ evaluation of anecdotal and statistical evidence
title_sort anecdata children s and adults evaluation of anecdotal and statistical evidence
topic cognitive development
pseudoscience
causal reasoning
anecdotal evidence
statistical evidence
url https://www.frontiersin.org/articles/10.3389/fdpys.2024.1324704/full
work_keys_str_mv AT jennynissel anecdatachildrensandadultsevaluationofanecdotalandstatisticalevidence
AT jacquelinedwoolley anecdatachildrensandadultsevaluationofanecdotalandstatisticalevidence