Numeracy - Original (3-item) Scale
See also the expanded
11-item Numeracy measure by Lipkus et al. (2001) and the further expanded
15-item Numeracy measure by Peters et al. (2007).
Description:
Purpose
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The Numeracy measures were designed to assess numeracy, which is the ability to understand and use numeric information.
- Specifically, the original measure assesses understanding of chance, proportions, and percentages.
- See also the expanded Lipkus et al. (2001) 11-item measure and Peters et al. (2007) 15-item measure.
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Questions
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3 items using fill-in-the-blank responses
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Sub-scales
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N/A
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Domain
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Psychometrics
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Sample items
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- Imagine that we flip a fair coin 1,000 times. What is your best guess about how many times the coin would come up heads in 1,000 flips? __ times out of 1,000.
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References:
Scale:
Other Versions of Numeracy:
- Lipkus, I. M., Samsa, G., & Rimer, B. K. (2001). General performance on a Numeracy Scale among highly educated samples. Medical Decision Making, 21(1), 37-44. doi: 10.1177/0272989X0102100105
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- Peters, E., Dieckmann, N. F., Dixon, A., Slovic, P., Mertz, C. K., & Hibbard, J. H. (2007). Less is more in presenting quality information to consumers. Medical Care Research and Review, 64(2), 169-190. doi: 10.1177/10775587070640020301
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Uses:
- Garcia-Retamero, R., & Galesic, M. (2009). Communicating treatment risk reduction to people with low numeracy skills: A cross-cultural comparison. American Journal of Public Health, 99(12), 2196-2202. doi: 10.2105/AJPH.2009.160234
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- Reyna, V. F., & Brainerd, C. J. (2008). Numeracy, ratio bias, and denominator neglect in judgments of risk and probability. Learning and Individual Differences, 18(1), 89-107. doi: 10.1016/j.lindif.2007.03.011
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- Reyna, V. F., Nelson, W. L., Han, P. K., & Dieckmann, N. F. (2009). How numeracy influences risk comprehension and medical decision making. Psychological Bulletin, 135(6), 943-973. doi: 10.1037/a0017327
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