Health Activities Literacy Scale of NALS
Measure not available
Characteristics
Domains assessed:
Information seeking: Document, Numeracy, Prose: Comprehension
Specific context:
Health Promotion
Validation sample population age:
Adolescents: 10 to 17 years, Adults: 18 to 64 years
Modes of administration in validation study
:
Computer-based
Assessment:
Objective
Psychometrics
Number of items:
191
Sample size in validation study:
988
Language of validated version:
English
Main article reference
Rudd, R., Kirsch, I., & Yamamoto, K. (2004). Literacy and health in America. Policy Information Report.
Link to articleCorresponding author
Rima Rudd
Description
Used to estimate the distribution of literacy on health-related tasks among U.S. adults
Year Measure first Published: 2004
About This Measure
Categorical scoring:
Yes
Scoring categories:
Sum score (0–5 each item), categorized as inadequate, marginal, or adequate (scale 0-500)
Modern Approach for Tool Development:
Yes
About the Validation of this Measure
Country where validated:
United States of America
Content validity:
191 items derived from NAALS
Criterion validity:
Concurrent: ↑HL, r/t ↑education, ↑HL, r/t ↑newspaper read, ↑HL, r/t birth in U.S., ↑HL, r/t full-time employment, and ↑HL, r/t type of occupation
Reliability notes:
IRT analysis: internal consistency of Index of Expectation = 0.935
