Characteristics
Domains assessed:
Application/function, Information seeking: Interactive media navigation, Numeracy, Prose: Comprehension
Specific context:
General
Validation sample population age:
Adults: 18 to 64 years
Modes of administration in validation study
:
Face-to-face, Paper and pencil
Assessment:
Objective
Psychometrics
Number of items:
21
Sample size in validation study:
205
Language of validated version:
English
Main article reference
Osborn, C.Y., Wallston, K.A., Shpigel, A., Cavanaugh, K., Kripalani, S., & Rothman, R.L. (2013). Development and validation of the General Health Numeracy Test (GHNT). Patient Educ Couns, 91(3):350-6.
Link to articleDescription
Assessment of a patient's health numeracy status
Year Measure first Published: 2013
About This Measure
Categorical scoring:
No
Scoring categories:
Percentage correct
About the Validation of this Measure
Country where validated:
United States of America
Content validity:
Expert panel helped to develop items
Criterion validity:
Sample reported high rates of limited numeracy skills. <20% of sample had limited health literacy skills according to the REALM, approximately two thirds had limited numeracy skills according to the WRAT-3, and the average percent correct on the GHNT-21was 56%.
Reliability (Cronbach Alpha):
0.087
Reliability notes:
KR-20 not alpha