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Number Lines Can Be More Effective at Facilitating Adults' Performance on Health-Related Ratio Problems than Risk Ladders and Icon Arrays

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Title: Number Lines Can Be More Effective at Facilitating Adults' Performance on Health-Related Ratio Problems than Risk Ladders and Icon Arrays
Language: English
Authors: Marta K. Mielicki, Charles J. Fitzsimmons, Lauren K. Schiller, Dan Scheibe, Jennifer M. Taber, Pooja G. Sidney, Percival G. Matthews, Erika A. Waters, Karin G. Coifman, Clarissa A. Thompson
Source: Grantee Submission. 2022.
Peer Reviewed: Y
Page Count: 57
Publication Date: 2022
Sponsoring Agency: Institute of Education Sciences (ED)
Contract Number: R305U200004
Document Type: Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Visual Aids, Health, Decision Making, Number Concepts, Thinking Skills, College Students, Problem Solving, Mathematics Skills, COVID-19, Pandemics, Health Behavior, Prevention, Statistics Education, Graphs, Literacy
DOI: 10.1037/xap0000456
Abstract: Visual displays, such as icon arrays and risk ladders, are often used to communicate numerical health information. Number lines improve reasoning with rational numbers but are seldom used in health contexts. College students solved ratio problems related to COVID-19 (e.g., number of deaths and number of cases) in one of four randomly-assigned conditions: icon arrays, risk ladders, number lines, or no accompanying visual display. As predicted, number lines facilitated performance on these problems -- the number line condition outperformed the other visual display conditions, which did not perform any better than the no visual display condition. In addition, higher performance on the health-related ratio problems was associated with higher COVID-19 worry for oneself and others, higher perceptions of COVID-19 severity, and higher endorsement of intentions to engage in preventive health behaviors, even when controlling for baseline math skills. These findings have important implications for effectively presenting health statistics. [This paper will be published in "Journal of Experimental Psychology: Applied."]
Abstractor: As Provided
IES Funded: Yes
Entry Date: 2024
Accession Number: ED639246
Database: ERIC
FullText Text:
  Availability: 0
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  Data: Number Lines Can Be More Effective at Facilitating Adults' Performance on Health-Related Ratio Problems than Risk Ladders and Icon Arrays
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  Data: <searchLink fieldCode="AR" term="%22Marta+K%2E+Mielicki%22">Marta K. Mielicki</searchLink><br /><searchLink fieldCode="AR" term="%22Charles+J%2E+Fitzsimmons%22">Charles J. Fitzsimmons</searchLink><br /><searchLink fieldCode="AR" term="%22Lauren+K%2E+Schiller%22">Lauren K. Schiller</searchLink><br /><searchLink fieldCode="AR" term="%22Dan+Scheibe%22">Dan Scheibe</searchLink><br /><searchLink fieldCode="AR" term="%22Jennifer+M%2E+Taber%22">Jennifer M. Taber</searchLink><br /><searchLink fieldCode="AR" term="%22Pooja+G%2E+Sidney%22">Pooja G. Sidney</searchLink><br /><searchLink fieldCode="AR" term="%22Percival+G%2E+Matthews%22">Percival G. Matthews</searchLink><br /><searchLink fieldCode="AR" term="%22Erika+A%2E+Waters%22">Erika A. Waters</searchLink><br /><searchLink fieldCode="AR" term="%22Karin+G%2E+Coifman%22">Karin G. Coifman</searchLink><br /><searchLink fieldCode="AR" term="%22Clarissa+A%2E+Thompson%22">Clarissa A. Thompson</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22Grantee+Submission%22"><i>Grantee Submission</i></searchLink>. 2022.
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  Data: 57
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  Data: 2022
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  Data: Institute of Education Sciences (ED)
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  Data: <searchLink fieldCode="DE" term="%22Visual+Aids%22">Visual Aids</searchLink><br /><searchLink fieldCode="DE" term="%22Health%22">Health</searchLink><br /><searchLink fieldCode="DE" term="%22Decision+Making%22">Decision Making</searchLink><br /><searchLink fieldCode="DE" term="%22Number+Concepts%22">Number Concepts</searchLink><br /><searchLink fieldCode="DE" term="%22Thinking+Skills%22">Thinking Skills</searchLink><br /><searchLink fieldCode="DE" term="%22College+Students%22">College Students</searchLink><br /><searchLink fieldCode="DE" term="%22Problem+Solving%22">Problem Solving</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematics+Skills%22">Mathematics Skills</searchLink><br /><searchLink fieldCode="DE" term="%22COVID-19%22">COVID-19</searchLink><br /><searchLink fieldCode="DE" term="%22Pandemics%22">Pandemics</searchLink><br /><searchLink fieldCode="DE" term="%22Health+Behavior%22">Health Behavior</searchLink><br /><searchLink fieldCode="DE" term="%22Prevention%22">Prevention</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics+Education%22">Statistics Education</searchLink><br /><searchLink fieldCode="DE" term="%22Graphs%22">Graphs</searchLink><br /><searchLink fieldCode="DE" term="%22Literacy%22">Literacy</searchLink>
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  Group: ID
  Data: 10.1037/xap0000456
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Visual displays, such as icon arrays and risk ladders, are often used to communicate numerical health information. Number lines improve reasoning with rational numbers but are seldom used in health contexts. College students solved ratio problems related to COVID-19 (e.g., number of deaths and number of cases) in one of four randomly-assigned conditions: icon arrays, risk ladders, number lines, or no accompanying visual display. As predicted, number lines facilitated performance on these problems -- the number line condition outperformed the other visual display conditions, which did not perform any better than the no visual display condition. In addition, higher performance on the health-related ratio problems was associated with higher COVID-19 worry for oneself and others, higher perceptions of COVID-19 severity, and higher endorsement of intentions to engage in preventive health behaviors, even when controlling for baseline math skills. These findings have important implications for effectively presenting health statistics. [This paper will be published in "Journal of Experimental Psychology: Applied."]
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  Data: 2024
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        Value: 10.1037/xap0000456
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      – Text: English
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      Pagination:
        PageCount: 57
    Subjects:
      – SubjectFull: Visual Aids
        Type: general
      – SubjectFull: Health
        Type: general
      – SubjectFull: Decision Making
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      – SubjectFull: Number Concepts
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      – SubjectFull: Thinking Skills
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      – SubjectFull: College Students
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      – SubjectFull: Mathematics Skills
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      – SubjectFull: Pandemics
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      – SubjectFull: Literacy
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      – TitleFull: Number Lines Can Be More Effective at Facilitating Adults' Performance on Health-Related Ratio Problems than Risk Ladders and Icon Arrays
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